(にじゅう)

にじゅう
number
twenty
See also: 二重(にじゅう) (double, twofold)
1. twenty
The number twenty. Formed by combining () (two) and (じゅう) (ten), literally meaning 'two tens.'
二十(にじゅう)(えん)です
It's twenty yen.
It takes about twenty minutes.
This book has twenty pages.
In Japan, you can drink alcohol from twenty years old.
I turned twenty this year. Since I'm an adult now, I want to make my own decisions.
Special reading はたち for age 20

二十(にじゅう) is the number twenty. Like all Japanese tens, it is formed regularly by combining the digit with (じゅう): () + (じゅう) = 二十(にじゅう).

SPECIAL READING:
二十(はたち) is a special reading used exclusively for age 20. This reflects the traditional significance of turning 20 as the age of adulthood (成人(せいじん)) in Japan. In all other contexts, use 二十(にじゅう).

COMMON EXPRESSIONS:

  • 二十(にじゅう)(さい): twenty years old (formal counting)
  • 二十(はたち): twenty years old (traditional)
  • 二十(にじゅう)(にち): the twentieth day
  • 二十(にじゅう)(にん): twenty people

NOTE:
The day 二十日(はつか) also has a special reading, following the pattern of native Japanese number readings for dates.