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20311332200232 = 233139251213711351
BaseRepresentation
bin1001001111001000110011…
…01111011001111100101000
32122220202002122220221200120
410213210121233121330220
510130240102020401412
6111110521443403240
74164305514041013
oct447443157317450
978822078827616
1020311332200232
116520a9556a077
122340580083520
13b44472b00368
1450310642637a
15253527353b8c
hex127919bd9f28

20311332200232 has 128 divisors (see below), whose sum is σ = 51375955276800. Its totient is φ = 6691233600000.

The previous prime is 20311332200189. The next prime is 20311332200239. The reversal of 20311332200232 is 23200223311302.

It is a super-3 number, since 3×203113322002323 (a number of 41 digits) contains 333 as substring.

It is a Harshad number since it is a multiple of its sum of digits (24).

It is not an unprimeable number, because it can be changed into a prime (20311332200239) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 1789381357 + ... + 1789392707.

It is an arithmetic number, because the mean of its divisors is an integer number (401374650600).

Almost surely, 220311332200232 is an apocalyptic number.

It is an amenable number.

20311332200232 is an abundant number, since it is smaller than the sum of its proper divisors (31064623076568).

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

20311332200232 is a wasteful number, since it uses less digits than its factorization.

20311332200232 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13887 (or 13883 counting only the distinct ones).

The product of its (nonzero) digits is 2592, while the sum is 24.

Adding to 20311332200232 its reverse (23200223311302), we get a palindrome (43511555511534).

The spelling of 20311332200232 in words is "twenty trillion, three hundred eleven billion, three hundred thirty-two million, two hundred thousand, two hundred thirty-two".

Divisors: 1 2 3 4 6 8 12 24 139 251 278 417 502 556 753 834 1004 1112 1506 1668 2008 2137 3012 3336 4274 6024 6411 8548 11351 12822 17096 22702 25644 34053 34889 45404 51288 68106 69778 90808 104667 136212 139556 209334 272424 279112 297043 418668 536387 594086 837336 891129 1072774 1188172 1577789 1609161 1782258 2145548 2376344 2849101 3155578 3218322 3564516 4291096 4733367 5698202 6311156 6436644 7129032 8547303 9466734 11396404 12622312 12873288 17094606 18933468 22792808 24257087 34189212 37866936 48514174 68378424 72771261 74557793 97028348 145542522 149115586 194056696 223673379 291085044 298231172 396025039 447346758 582170088 596462344 792050078 894693516 1188075117 1584100156 1789387032 2376150234 3168200312 3371735093 4752300468 6088528837 6743470186 9504600936 10115205279 12177057674 13486940372 18265586511 20230410558 24354115348 26973880744 36531173022 40460821116 48708230696 73062346044 80921642232 146124692088 846305508343 1692611016686 2538916525029 3385222033372 5077833050058 6770444066744 10155666100116 20311332200232