204235505530 has 16 divisors (see below), whose sum is σ = 420141611520. Its totient is φ = 70023601872.

The previous prime is 204235505497. The next prime is 204235505543. The reversal of 204235505530 is 35505532402.

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, 1458824970 + ... + 1458825109.

It is an arithmetic number, because the mean of its divisors is an integer number (26258850720).

Almost surely, 2^204235505530 is an apocalyptic number.

204235505530 is an abundant number, since it is smaller than the sum of its proper divisors (215906105990).

204235505530 is a wasteful number, since it uses less digits than its factorization.

204235505530 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2917650093.

The product of its (nonzero) digits is 90000, while the sum is 34.

The spelling of 204235505530 in words is "two hundred four billion, two hundred thirty-five million, five hundred five thousand, five hundred thirty".