Alright, let's work through 20402801 times 84134706 step by step
20402801 × 84134706 = 84134706 × (20402801)
+ 84134706 × 1 giving us 84134706
+ 84134706 × 00 that equals 0
+ 84134706 × 800 yielding 67307764800
+ 84134706 × 2000 that results in 168269412000
+ 84134706 × 00000 what gives us 0
+ 84134706 × 400000 what gives us 33653882400000
+ 84134706 × 0000000 giving us 0
+ 84134706 × 20000000 yielding 1682694120000000

= 1716583663711506
