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10201031223320 = 2357216331930109
BaseRepresentation
bin1001010001110001110011…
…0101111010100000011000
31100010012122101221111210002
42110130130311322200120
52314113202443121240
633410142233512132
72102000030504300
oct224343465724030
940105571844702
1010201031223320
1132832622045a3
121189040872648
1358cc50cc75c2
14273a38168600
1512a543bb4d15
hex9471cd7a818

10201031223320 has 96 divisors (see below), whose sum is σ = 26863440145200. Its totient is φ = 3476039277312.

The previous prime is 10201031223307. The next prime is 10201031223329. The reversal of 10201031223320 is 2332213010201.

It is a super-2 number, since 2×102010312233202 (a number of 27 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (20).

It is a junction number, because it is equal to n+sod(n) for n = 10201031223292 and 10201031223301.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (10201031223329) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 15645575 + ... + 16284534.

Almost surely, 210201031223320 is an apocalyptic number.

10201031223320 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

10201031223320 is an abundant number, since it is smaller than the sum of its proper divisors (16662408921880).

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

10201031223320 is a wasteful number, since it uses less digits than its factorization.

10201031223320 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 31930297 (or 31930286 counting only the distinct ones).

The product of its (nonzero) digits is 432, while the sum is 20.

Adding to 10201031223320 its reverse (2332213010201), we get a palindrome (12533244233521).

The spelling of 10201031223320 in words is "ten trillion, two hundred one billion, thirty-one million, two hundred twenty-three thousand, three hundred twenty".

Divisors: 1 2 4 5 7 8 10 14 20 28 35 40 49 56 70 98 140 163 196 245 280 326 392 490 652 815 980 1141 1304 1630 1960 2282 3260 4564 5705 6520 7987 9128 11410 15974 22820 31948 39935 45640 63896 79870 159740 319480 31930109 63860218 127720436 159650545 223510763 255440872 319301090 447021526 638602180 894043052 1117553815 1277204360 1564575341 1788086104 2235107630 3129150682 4470215260 5204607767 6258301364 7822876705 8940430520 10409215534 12516602728 15645753410 20818431068 26023038835 31291506820 36432254369 41636862136 52046077670 62583013640 72864508738 104092155340 145729017476 182161271845 208184310680 255025780583 291458034952 364322543690 510051561166 728645087380 1020103122332 1275128902915 1457290174760 2040206244664 2550257805830 5100515611660 10201031223320