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20225330232 = 2332336640091
BaseRepresentation
bin10010110101100001…
…100000110000111000
31221012112112020012220
4102311201200300320
5312410141031412
613142535004040
71314126320232
oct226541406070
957175466186
1020225330232
118639742a58
123b05509620
131ba4290533
14d9c1bd252
157d592a68c
hex4b5860c38

20225330232 has 32 divisors (see below), whose sum is σ = 52761732480. Its totient is φ = 6448655840.

The previous prime is 20225330207. The next prime is 20225330261. The reversal of 20225330232 is 23203352202.

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

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 18319494 + ... + 18320597.

It is an arithmetic number, because the mean of its divisors is an integer number (1648804140).

Almost surely, 220225330232 is an apocalyptic number.

It is an amenable number.

20225330232 is an abundant number, since it is smaller than the sum of its proper divisors (32536402248).

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

20225330232 is a wasteful number, since it uses less digits than its factorization.

20225330232 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 36640123 (or 36640119 counting only the distinct ones).

The product of its (nonzero) digits is 4320, while the sum is 24.

Adding to 20225330232 its reverse (23203352202), we get a palindrome (43428682434).

The spelling of 20225330232 in words is "twenty billion, two hundred twenty-five million, three hundred thirty thousand, two hundred thirty-two".

Divisors: 1 2 3 4 6 8 12 23 24 46 69 92 138 184 276 552 36640091 73280182 109920273 146560364 219840546 293120728 439681092 842722093 879362184 1685444186 2528166279 3370888372 5056332558 6741776744 10112665116 20225330232