Alright, let's work through 20846304 times 27374821 step by step
20846304 × 27374821 = 27374821 × (20846304)
+ 27374821 × 4 producing 109499284
+ 27374821 × 00 what gives us 0
+ 27374821 × 300 that equals 8212446300
+ 27374821 × 6000 giving us 164248926000
+ 27374821 × 40000 that is equal 1094992840000
+ 27374821 × 800000 yielding 21899856800000
+ 27374821 × 0000000 giving us 0
+ 27374821 × 20000000 giving us 547496420000000

= 570663840511584
