Find missing Number in the series - 286, 96, 54, 20, ??

Question

Find the number that comes next in the following series:

3, 7, 12, 14, 16, 19, 21, 25, 30, 41, 45, 52, 54, 56, 59, 61, 65, 70, ?

Answer 1

2x8x6=96,
9x6= 54,
4x5= 20,
2x0 = 0