204320432320 has 56 divisors (see below), whose sum is σ = 515157927264. Its totient is φ = 76920631296.

The previous prime is 204320432317. The next prime is 204320432353. The reversal of 204320432320 is 23234023402.

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, 18774012 + ... + 18784891.

Almost surely, 2^204320432320 is an apocalyptic number.

204320432320 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

204320432320 is an abundant number, since it is smaller than the sum of its proper divisors (310837494944).

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

204320432320 is a wasteful number, since it uses less digits than its factorization.

204320432320 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 37558937 (or 37558927 counting only the distinct ones).

The product of its (nonzero) digits is 6912, while the sum is 25.

Adding to 204320432320 its reverse (23234023402), we get a palindrome (227554455722).

The spelling of 204320432320 in words is "two hundred four billion, three hundred twenty million, four hundred thirty-two thousand, three hundred twenty".