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20330211322131 = 3231590118529699
BaseRepresentation
bin1001001111101011111110…
…00001100010100100010011
32122222112211101022201020120
410213311333001202210103
510131042233044302011
6111123323052441323
74165544405654514
oct447657701424423
978875741281216
1020330211322131
116528aa3313857
12234416a779243
13b461911c72c9
14503db78d6a0b
15253c7e9b2a06
hex127d7f062913

20330211322131 has 16 divisors (see below), whose sum is σ = 28287291782400. Its totient is φ = 12963376720800.

The previous prime is 20330211322129. The next prime is 20330211322139. The reversal of 20330211322131 is 13122311203302.

It is not a de Polignac number, because 20330211322131 - 21 = 20330211322129 is a prime.

It is a super-2 number, since 2×203302113221312 (a number of 27 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (20330211322139) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 8167681 + ... + 10362018.

It is an arithmetic number, because the mean of its divisors is an integer number (1767955736400).

Almost surely, 220330211322131 is an apocalyptic number.

20330211322131 is a deficient number, since it is larger than the sum of its proper divisors (7957080460269).

20330211322131 is a wasteful number, since it uses less digits than its factorization.

20330211322131 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 18545626.

The product of its (nonzero) digits is 1296, while the sum is 24.

Adding to 20330211322131 its reverse (13122311203302), we get a palindrome (33452522525433).

The spelling of 20330211322131 in words is "twenty trillion, three hundred thirty billion, two hundred eleven million, three hundred twenty-two thousand, one hundred thirty-one".

Divisors: 1 3 23 69 15901 47703 365723 1097169 18529699 55589097 426183077 1278549231 294640743799 883922231397 6776737107377 20330211322131