Alright, let's work through 20470168 times 74518200 step by step
20470168 × 74518200 = 74518200 × (20470168)
+ 74518200 × 8 giving us 596145600
+ 74518200 × 60 giving us 4471092000
+ 74518200 × 100 which equals 7451820000
+ 74518200 × 0000 that equals 0
+ 74518200 × 70000 that is equal 5216274000000
+ 74518200 × 400000 yielding 29807280000000
+ 74518200 × 0000000 that is equal 0
+ 74518200 × 20000000 that equals 1490364000000000

= 1525400073057600
