This is the 2726th most frequent Swedish word.
tjugo
"Tjugo" means "twenty" in English.
Here, 'tjugo' is used as a numeral to represent the quantity twenty.
Jag har tjugo böcker i min samling.
I have twenty books in my collection.
In this sentence, 'tjugo' specifies the age, meaning twenty years.
Min bror är tjugo år gammal.
My brother is twenty years old.
This usage of 'tjugo' refers to a time duration, meaning twenty minutes.