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220031012201120 = 2553983233452459
BaseRepresentation
bin110010000001110111110110…
…010100100110001010100000
31001212001202111120000121111122
4302001313312110212022200
5212314442003110413440
62055544503534431412
764226500412604101
oct6201676624461240
91055052446017448
10220031012201120
11641216a021106a
1220817598962568
1395a0ab2557583
143c497b48d23a8
151a687a18407b5
hexc81df65262a0

220031012201120 has 48 divisors (see below), whose sum is σ = 519824721921120. Its totient is φ = 88012158430464.

The previous prime is 220031012201101. The next prime is 220031012201213. The reversal of 220031012201120 is 21102210130022.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 62005451 + ... + 65457909.

It is an arithmetic number, because the mean of its divisors is an integer number (10829681706690).

Almost surely, 2220031012201120 is an apocalyptic number.

220031012201120 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

220031012201120 is an abundant number, since it is smaller than the sum of its proper divisors (299793709720000).

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

220031012201120 is a wasteful number, since it uses less digits than its factorization.

220031012201120 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3850797 (or 3850789 counting only the distinct ones).

The product of its (nonzero) digits is 96, while the sum is 17.

Adding to 220031012201120 its reverse (21102210130022), we get a palindrome (241133222331142).

The spelling of 220031012201120 in words is "two hundred twenty trillion, thirty-one billion, twelve million, two hundred one thousand, one hundred twenty".

Divisors: 1 2 4 5 8 10 16 20 32 40 80 160 398323 796646 1593292 1991615 3186584 3452459 3983230 6373168 6904918 7966460 12746336 13809836 15932920 17262295 27619672 31865840 34524590 55239344 63731680 69049180 110478688 138098360 276196720 552393440 1375193826257 2750387652514 5500775305028 6875969131285 11001550610056 13751938262570 22003101220112 27503876525140 44006202440224 55007753050280 110015506100560 220031012201120