Alright, let's work through 20618216 times 14618897 step by step
20618216 × 14618897 = 14618897 × (20618216)
+ 14618897 × 6 that results in 87713382
+ 14618897 × 10 resulting in 146188970
+ 14618897 × 200 resulting in 2923779400
+ 14618897 × 8000 resulting in 116951176000
+ 14618897 × 10000 which equals 146188970000
+ 14618897 × 600000 which equals 8771338200000
+ 14618897 × 0000000 that is equal 0
+ 14618897 × 20000000 producing 292377940000000

= 301415576027752
