Alright, let's work through 13020923 times 45059356 step by step
13020923 × 45059356 = 45059356 × (13020923)
+ 45059356 × 3 what gives us 135178068
+ 45059356 × 20 giving us 901187120
+ 45059356 × 900 that equals 40553420400
+ 45059356 × 0000 producing 0
+ 45059356 × 20000 giving us 901187120000
+ 45059356 × 000000 yielding 0
+ 45059356 × 3000000 what gives us 135178068000000
+ 45059356 × 10000000 that results in 450593560000000

= 586714404905588
