1.
twenty
The number twenty. Formed by combining 二 (two) and 十 (ten), literally meaning 'two tens.'
二十 is the number twenty. Like all Japanese tens, it is formed regularly by combining the digit with 十: 二 + 十 = 二十.
SPECIAL READING:
二十 is a special reading used exclusively for age 20. This reflects the traditional significance of turning 20 as the age of adulthood (成人) in Japan. In all other contexts, use 二十.
COMMON EXPRESSIONS:
- 二十歳: twenty years old (formal counting)
- 二十: twenty years old (traditional)
- 二十日: the twentieth day
- 二十人: twenty people
NOTE:
The day 二十日 also has a special reading, following the pattern of native Japanese number readings for dates.