Alright, let's work through 20243208 times 21804271 step by step
20243208 × 21804271 = 21804271 × (20243208)
+ 21804271 × 8 that results in 174434168
+ 21804271 × 00 producing 0
+ 21804271 × 200 that is equal 4360854200
+ 21804271 × 3000 that equals 65412813000
+ 21804271 × 40000 what gives us 872170840000
+ 21804271 × 200000 what gives us 4360854200000
+ 21804271 × 0000000 that equals 0
+ 21804271 × 20000000 yielding 436085420000000

= 441388393141368
