noun
20 years old
The age of twenty; culturally significant as the age of adulthood in Japan (coming-of-age).
彼は今年で二十歳になります。
He will turn 20 this year.
二十歳になったら、お酒が飲める。
Once you turn 20, you can drink alcohol.
noun
Only when written 二十 / 廿
Archaic reading for the number twenty; restricted to the kanji forms 二十 and 廿. In modern Japanese, にじゅう is used.
古文では「二十」を「はたち」と読むことがある。
In classical texts, 二十 can be read as はたち.
Arabic numeral spelling; common in informal writing and forms.
Simplified kanji 才 for 歳; often used for ages in casual contexts.
Archaic spelling for the number twenty; restricted to the archaic sense.
Archaic single-character spelling for twenty.
The reading はたち is a native Japanese word for twenty, historically used for counting years of age. The kanji 二十歳 (or 二十) are applied as jukujikun (熟字訓), where the characters represent the meaning rather than the sound.