No problem, we've got 20690928 and 23261642 to multiply
20690928 × 23261642 = 23261642 × (20690928)
+ 23261642 × 8 producing 186093136
+ 23261642 × 20 resulting in 465232840
+ 23261642 × 900 that equals 20935477800
+ 23261642 × 0000 what gives us 0
+ 23261642 × 90000 that is equal 2093547780000
+ 23261642 × 600000 what gives us 13956985200000
+ 23261642 × 0000000 that is equal 0
+ 23261642 × 20000000 which equals 465232840000000

= 481304959783776
