Alright, let's work through 20662025 times 12867866 step by step
20662025 × 12867866 = 12867866 × (20662025)
+ 12867866 × 5 that is equal 64339330
+ 12867866 × 20 producing 257357320
+ 12867866 × 000 that equals 0
+ 12867866 × 2000 yielding 25735732000
+ 12867866 × 60000 that results in 772071960000
+ 12867866 × 600000 which equals 7720719600000
+ 12867866 × 0000000 which equals 0
+ 12867866 × 20000000 which equals 257357320000000

= 265876168988650
