204232520 has 64 divisors (see below), whose sum is σ = 488592000. Its totient is φ = 76612608.

The previous prime is 204232517. The next prime is 204232547. The reversal of 204232520 is 25232402.

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 = 204232492 and 204232501.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 76976 + ... + 79584.

It is an arithmetic number, because the mean of its divisors is an integer number (7634250).

Almost surely, 2^204232520 is an apocalyptic number.

204232520 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 204232520, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (244296000).

204232520 is an abundant number, since it is smaller than the sum of its proper divisors (284359480).

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

204232520 is a wasteful number, since it uses less digits than its factorization.

204232520 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2742 (or 2738 counting only the distinct ones).

The product of its (nonzero) digits is 960, while the sum is 20.

The square root of 204232520 is about 14290.9943670831. The cubic root of 204232520 is about 588.9001053729.

Adding to 204232520 its reverse (25232402), we get a palindrome (229464922).

The spelling of 204232520 in words is "two hundred four million, two hundred thirty-two thousand, five hundred twenty".