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120211010220 = 22357714031221
BaseRepresentation
bin110111111110100100…
…0100111001010101100
3102111021201020001002210
41233331020213022230
53432143004311340
6131120231050420
711453640504360
oct1577510471254
9374251201083
10120211010220
1146a87a88234
121b36a510a10
13b449b27ca2
145b653932a0
1531d8787180
hex1bfd2272ac

120211010220 has 96 divisors (see below), whose sum is σ = 390093290496. Its totient is φ = 27089798400.

The previous prime is 120211010209. The next prime is 120211010233. The reversal of 120211010220 is 22010112021.

It is a super-2 number, since 2×1202110102202 (a number of 23 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (12).

It is a junction number, because it is equal to n+sod(n) for n = 120211010196 and 120211010205.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 1985791 + ... + 2045430.

It is an arithmetic number, because the mean of its divisors is an integer number (4063471776).

Almost surely, 2120211010220 is an apocalyptic number.

120211010220 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

120211010220 is an abundant number, since it is smaller than the sum of its proper divisors (269882280276).

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

120211010220 is a wasteful number, since it uses less digits than its factorization.

120211010220 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4031311 (or 4031309 counting only the distinct ones).

The product of its (nonzero) digits is 16, while the sum is 12.

Adding to 120211010220 its reverse (22010112021), we get a palindrome (142221122241).

The spelling of 120211010220 in words is "one hundred twenty billion, two hundred eleven million, ten thousand, two hundred twenty".

Divisors: 1 2 3 4 5 6 7 10 12 14 15 20 21 28 30 35 42 60 70 71 84 105 140 142 210 213 284 355 420 426 497 710 852 994 1065 1420 1491 1988 2130 2485 2982 4260 4970 5964 7455 9940 14910 29820 4031221 8062442 12093663 16124884 20156105 24187326 28218547 40312210 48374652 56437094 60468315 80624420 84655641 112874188 120936630 141092735 169311282 241873260 282185470 286216691 338622564 423278205 564370940 572433382 846556410 858650073 1144866764 1431083455 1693112820 1717300146 2003516837 2862166910 3434600292 4007033674 4293250365 5724333820 6010550511 8014067348 8586500730 10017584185 12021101022 17173001460 20035168370 24042202044 30052752555 40070336740 60105505110 120211010220