Alright, let's work through 20680966 times 31726014 step by step
20680966 × 31726014 = 31726014 × (20680966)
+ 31726014 × 6 that is equal 190356084
+ 31726014 × 60 which equals 1903560840
+ 31726014 × 900 that results in 28553412600
+ 31726014 × 0000 resulting in 0
+ 31726014 × 80000 which equals 2538081120000
+ 31726014 × 600000 that is equal 19035608400000
+ 31726014 × 0000000 which equals 0
+ 31726014 × 20000000 giving us 634520280000000

= 656124616849524
