A multi-layer cake is in the shape of a right cylinder. The height of the cake is 202020 centimeters ({cm})(cm)left parenthesis, c, m, right parenthesis, and its radius is 10,{cm}10cm10, space, c, m. If each of the cake layers has a volume of approximately 1{,}2501,2501, comma, 250 cubic centimeters, then how many layers does the cake have?
a) 12
b) 16
c) 20
d) 24