Alright, let's work through 20349690 times 76496913 step by step
20349690 × 76496913 = 76496913 × (20349690)
+ 76496913 × 0 which equals 0
+ 76496913 × 90 that equals 6884722170
+ 76496913 × 600 that is equal 45898147800
+ 76496913 × 9000 that equals 688472217000
+ 76496913 × 40000 what gives us 3059876520000
+ 76496913 × 300000 yielding 22949073900000
+ 76496913 × 0000000 what gives us 0
+ 76496913 × 20000000 what gives us 1529938260000000

= 1556688465506970
