Alright, let's work through 20668751 times 34425034 step by step
20668751 × 34425034 = 34425034 × (20668751)
+ 34425034 × 1 what gives us 34425034
+ 34425034 × 50 what gives us 1721251700
+ 34425034 × 700 producing 24097523800
+ 34425034 × 8000 resulting in 275400272000
+ 34425034 × 60000 which equals 2065502040000
+ 34425034 × 600000 that is equal 20655020400000
+ 34425034 × 0000000 that equals 0
+ 34425034 × 20000000 resulting in 688500680000000

= 711522455912534
