Why are numbers 21-29 written as one word?

Spanish numbers from 21 to 29 fused into single words over time through common usage, creating compounds like 'veintiuno' from 'veinte y uno,' while numbers from 31 onward retained the separate structure (treinta y uno).

How do I say 'the twenties' as a decade?

The decade of the 1920s is called 'los años veinte' or 'la década de los veinte,' and this same pattern applies to any century's twenties decade.

Does veinte change form in any context?

The word 'veinte' itself never changes form regardless of gender or number of the noun it modifies — it remains 'veinte' whether describing masculine, feminine, singular concepts, or quantities.

Spanish vocabulary · Beginner

How to Say Twenty in Spanish

Written by Sofia Ramirez, Lead Spanish Curriculum Editor · Reviewed May 2026

Veinte · noun · VAYN-teh

The number twenty in Spanish is 'veinte.' It is notable because numbers from 21-29 in Spanish are written as single compound words (veintiuno, veintidós, veintitrés, etc.), unlike numbers 31 and above which use 'y' between tens and units.

Pronounced VAYN-teh with stress on the first syllable. The 'ei' combination creates a diphthong similar to the English word 'vain.' The final 'e' is always pronounced.

Hay veinte estudiantes en la clase de español.

There are twenty students in the Spanish class.

How Native Speakers Use Veinte

Real example sentences across three contexts you'll actually run into.

Age

Mi hermana cumplió veinte años la semana pasada.

My sister turned twenty last week.

Stating someone's age reaching a milestone number.

Compound numbers

Hay veinticinco personas esperando en la fila.

There are twenty-five people waiting in line.

Demonstrating how veinte combines with other digits.

Currency

Este libro cuesta veinte dólares con impuestos.

This book costs twenty dollars with tax.

Using veinte in a monetary context.

Avoid These Mistakes When Using Veinte

Spelling with b

Incorrect: Tengo beinte minutos para llegar.

Correct: Tengo veinte minutos para llegar.

Veinte is spelled with 'v' not 'b,' despite both letters sounding identical in Spanish — this is a common spelling error even for native speakers.

Separating compound numbers

Incorrect: Hay veinte y tres gatos en el refugio.

Correct: Hay veintitrés gatos en el refugio.

Spanish fuses the twenties into single words — veintiuno through veintinueve — unlike the thirties and above which keep the conjunction 'y' as a separate word (treinta y uno).

Lock in Twenty Vocabulary with the Parrot Method

Why word lists alone don't stick

Memorizing a translation feels productive, but most learners forget 70% of what they studied within 48 hours. Vocabulary needs spaced repetition AND real-world exposure to transfer to long-term memory.

See Veinte used by native speakers

Parrot's short-form videos feature native speakers using veinte in real situations. Context-based exposure beats flashcards, you hear Hay veinte estudiantes en la clase de español. while watching someone live the moment, connecting meaning, sound, and rhythm at once.

Save, review, repeat, stay consistent

Tap any word to save it. Parrot's spaced-repetition system surfaces it right before you'd forget, no manual flashcard creation. The watch, parrot back, save, review cycle turns recognition into fluency at 2.7x the speed of traditional study.

Common Questions About Twenty in Spanish

Why are numbers 21-29 written as one word?: Spanish numbers from 21 to 29 fused into single words over time through common usage, creating compounds like 'veintiuno' from 'veinte y uno,' while numbers from 31 onward retained the separate structure (treinta y uno).
How do I say 'the twenties' as a decade?: The decade of the 1920s is called 'los años veinte' or 'la década de los veinte,' and this same pattern applies to any century's twenties decade.
Does veinte change form in any context?: The word 'veinte' itself never changes form regardless of gender or number of the noun it modifies — it remains 'veinte' whether describing masculine, feminine, singular concepts, or quantities.