Alright, let's work through 20138996 times 74873633 step by step
20138996 × 74873633 = 74873633 × (20138996)
+ 74873633 × 6 giving us 449241798
+ 74873633 × 90 producing 6738626970
+ 74873633 × 900 yielding 67386269700
+ 74873633 × 8000 producing 598989064000
+ 74873633 × 30000 that is equal 2246208990000
+ 74873633 × 100000 that results in 7487363300000
+ 74873633 × 0000000 that is equal 0
+ 74873633 × 20000000 that equals 1497472660000000

= 1507879795492468
