何十人

dozens of people, tens of people

何 what; which + 十 ten + 人 person; someone
noun Rare #40,502
dozens of people, tens of people Used for an approximate number of people, usually more than twenty.
JA: 会場には何十人もいました。
EN: There were dozens of people at the venue.

ピーターとポールが何十人も奥さんはみんな“マリー”

Peter and Paul have dozens of wives, and they’re all named Marie.

— グッドフェローズ (1990)

何十人という若い人がデモに参加した。

Dozens of young people took part in the demonstration.

パーティーで何十人となく旧友に会った。

I ran into dozens of old friends at the party.