Fatto generale: 20 is the number of ounces in Venti size coffees at Starbucks coffee shops.
Fatto matematico: 20 is the third composite number comprising the product of a squared prime and a prime, and also the second member of the (22)q family in this form.
Trivia: 20 is the number of ounces in Venti size coffees at Starbucks coffee shops.
Data storica: January 20th is the day in 250 that Emperor Decius begins a widespread persecution of Christians in Rome.