Alright, let's work through 52205021 times 80564885 step by step
52205021 × 80564885 = 80564885 × (52205021)
+ 80564885 × 1 that results in 80564885
+ 80564885 × 20 giving us 1611297700
+ 80564885 × 000 giving us 0
+ 80564885 × 5000 that results in 402824425000
+ 80564885 × 00000 which equals 0
+ 80564885 × 200000 giving us 16112977000000
+ 80564885 × 2000000 that results in 161129770000000
+ 80564885 × 50000000 that equals 4028244250000000

= 4205891513287585
