204340870 has 16 divisors (see below), whose sum is σ = 372853440. Its totient is φ = 80616384.

The previous prime is 204340849. The next prime is 204340907. The reversal of 204340870 is 78043402.

It is a congruent number.

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, 139230 + ... + 140689.

It is an arithmetic number, because the mean of its divisors is an integer number (23303340).

Almost surely, 2^204340870 is an apocalyptic number.

204340870 is a deficient number, since it is larger than the sum of its proper divisors (168512570).

204340870 is a wasteful number, since it uses less digits than its factorization.

204340870 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 279999.

The product of its (nonzero) digits is 5376, while the sum is 28.

The square root of 204340870 is about 14294.7847133142. The cubic root of 204340870 is about 589.0042285981.

The spelling of 204340870 in words is "two hundred four million, three hundred forty thousand, eight hundred seventy".