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23204433320 = 235599832387
BaseRepresentation
bin10101100111000101…
…111000110110101000
32012220011020100101022
4111213011320312220
5340010313331240
614354315312012
71451012300045
oct254705706650
965804210338
1023204433320
119928330222
1245b714b608
13225a539323
1411a1b061cc
1590c2429b5
hex567178da8

23204433320 has 32 divisors (see below), whose sum is σ = 53094895200. Its totient is φ = 9124454208.

The previous prime is 23204433319. The next prime is 23204433323. The reversal of 23204433320 is 2333440232.

It is a self number, because there is not a number n which added to its sum of digits gives 23204433320.

It is not an unprimeable number, because it can be changed into a prime (23204433323) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4913834 + ... + 4918553.

It is an arithmetic number, because the mean of its divisors is an integer number (1659215475).

Almost surely, 223204433320 is an apocalyptic number.

23204433320 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

23204433320 is an abundant number, since it is smaller than the sum of its proper divisors (29890461880).

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

23204433320 is a wasteful number, since it uses less digits than its factorization.

23204433320 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9832457 (or 9832453 counting only the distinct ones).

The product of its (nonzero) digits is 10368, while the sum is 26.

Adding to 23204433320 its reverse (2333440232), we get a palindrome (25537873552).

The spelling of 23204433320 in words is "twenty-three billion, two hundred four million, four hundred thirty-three thousand, three hundred twenty".

Divisors: 1 2 4 5 8 10 20 40 59 118 236 295 472 590 1180 2360 9832387 19664774 39329548 49161935 78659096 98323870 196647740 393295480 580110833 1160221666 2320443332 2900554165 4640886664 5801108330 11602216660 23204433320