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220210211211220 = 225192411240356929
BaseRepresentation
bin110010000100011110101111…
…011010100100011111010100
31001212200220001020120112011201
4302010132233122210133110
5212330411003032224340
62100203101403242244
764245443214215506
oct6204365732443724
91055626036515151
10220210211211220
11641906983a671a
122084626a219384
1395b49702604a9
143c54334185d76
151a6d28da7879a
hexc847af6a47d4

220210211211220 has 48 divisors (see below), whose sum is σ = 486982368734400. Its totient is φ = 83413468293120.

The previous prime is 220210211211217. The next prime is 220210211211233. The reversal of 220210211211220 is 22112112012022.

It is a Harshad number since it is a multiple of its sum of digits (19).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 119262285 + ... + 121094644.

It is an arithmetic number, because the mean of its divisors is an integer number (10145466015300).

Almost surely, 2220210211211220 is an apocalyptic number.

220210211211220 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

220210211211220 is an abundant number, since it is smaller than the sum of its proper divisors (266772157523180).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

220210211211220 is a wasteful number, since it uses less digits than its factorization.

220210211211220 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 240359368 (or 240359366 counting only the distinct ones).

The product of its (nonzero) digits is 128, while the sum is 19.

Adding to 220210211211220 its reverse (22112112012022), we get a palindrome (242322323223242).

The spelling of 220210211211220 in words is "two hundred twenty trillion, two hundred ten billion, two hundred eleven million, two hundred eleven thousand, two hundred twenty".

Divisors: 1 2 4 5 10 19 20 38 76 95 190 380 2411 4822 9644 12055 24110 45809 48220 91618 183236 229045 458090 916180 240356929 480713858 961427716 1201784645 2403569290 4566781651 4807138580 9133563302 18267126604 22833908255 45667816510 91335633020 579500555819 1159001111638 2318002223276 2897502779095 5795005558190 11010510560561 11590011116380 22021021121122 44042042242244 55052552802805 110105105605610 220210211211220