Alright, let's work through 20586349 times 96734489 step by step
20586349 × 96734489 = 96734489 × (20586349)
+ 96734489 × 9 which equals 870610401
+ 96734489 × 40 yielding 3869379560
+ 96734489 × 300 giving us 29020346700
+ 96734489 × 6000 producing 580406934000
+ 96734489 × 80000 that results in 7738759120000
+ 96734489 × 500000 that equals 48367244500000
+ 96734489 × 0000000 resulting in 0
+ 96734489 × 20000000 what gives us 1934689780000000

= 1991409950890661
