Fatto matematico: 20220 is an uninteresting number.
Trivia: 20220 is a number for which we're missing a fact (submit one to numbersapi at google mail!).
Data storica: May 11th is the day in 1968 that the Toronto Transit Commission opens the largest expansion of its Bloor–Danforth line, going to Scarborough in the East, and Etobicoke in the West.