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10211330220 = 22357131870207
BaseRepresentation
bin10011000001010010…
…01000100010101100
3222100122102022200120
421200221020202230
5131403100031340
64405132124540
7511021606020
oct114051104254
928318368616
1010211330220
114370036593
121b8b906750
13c69710940
146cc254380
153eb7044d0
hex260a488ac

10211330220 has 96 divisors (see below), whose sum is σ = 35189833728. Its totient is φ = 2154477312.

The previous prime is 10211330201. The next prime is 10211330231. The reversal of 10211330220 is 2203311201.

It is a Harshad number since it is a multiple of its sum of digits (15).

It is a self number, because there is not a number n which added to its sum of digits gives 10211330220.

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, 929644 + ... + 940563.

It is an arithmetic number, because the mean of its divisors is an integer number (366560768).

Almost surely, 210211330220 is an apocalyptic number.

10211330220 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

10211330220 is an abundant number, since it is smaller than the sum of its proper divisors (24978503508).

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

10211330220 is a wasteful number, since it uses less digits than its factorization.

10211330220 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1870239 (or 1870237 counting only the distinct ones).

The product of its (nonzero) digits is 72, while the sum is 15.

Adding to 10211330220 its reverse (2203311201), we get a palindrome (12414641421).

The spelling of 10211330220 in words is "ten billion, two hundred eleven million, three hundred thirty thousand, two hundred twenty".

Divisors: 1 2 3 4 5 6 7 10 12 13 14 15 20 21 26 28 30 35 39 42 52 60 65 70 78 84 91 105 130 140 156 182 195 210 260 273 364 390 420 455 546 780 910 1092 1365 1820 2730 5460 1870207 3740414 5610621 7480828 9351035 11221242 13091449 18702070 22442484 24312691 26182898 28053105 37404140 39274347 48625382 52365796 56106210 65457245 72938073 78548694 97250764 112212420 121563455 130914490 145876146 157097388 170188837 196371735 243126910 261828980 291752292 340377674 364690365 392743470 486253820 510566511 680755348 729380730 785486940 850944185 1021133022 1458761460 1701888370 2042266044 2552832555 3403776740 5105665110 10211330220