204432560 has 40 divisors (see below), whose sum is σ = 486906336. Its totient is φ = 79777280.

The previous prime is 204432541. The next prime is 204432583. The reversal of 204432560 is 65234402.

It is a tau number, because it is divible by the number of its divisors (40).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 27884 + ... + 34443.

Almost surely, 2^204432560 is an apocalyptic number.

204432560 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

204432560 is an abundant number, since it is smaller than the sum of its proper divisors (282473776).

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

204432560 is a wasteful number, since it uses less digits than its factorization.

204432560 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 62381 (or 62375 counting only the distinct ones).

The product of its (nonzero) digits is 5760, while the sum is 26.

The square root of 204432560 is about 14297.9914673355. The cubic root of 204432560 is about 589.0923129871.

Adding to 204432560 its reverse (65234402), we get a palindrome (269666962).

The spelling of 204432560 in words is "two hundred four million, four hundred thirty-two thousand, five hundred sixty".