Alright, let's work through 20225794 times 32664642 step by step
20225794 × 32664642 = 32664642 × (20225794)
+ 32664642 × 4 what gives us 130658568
+ 32664642 × 90 giving us 2939817780
+ 32664642 × 700 which equals 22865249400
+ 32664642 × 5000 yielding 163323210000
+ 32664642 × 20000 that results in 653292840000
+ 32664642 × 200000 what gives us 6532928400000
+ 32664642 × 0000000 which equals 0
+ 32664642 × 20000000 producing 653292840000000

= 660668320175748
