204870342 has 16 divisors (see below), whose sum is σ = 409893120. Its totient is φ = 68264712.

The previous prime is 204870313. The next prime is 204870353. The reversal of 204870342 is 243078402.

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, 18759 + ... + 27597.

It is an arithmetic number, because the mean of its divisors is an integer number (25618320).

Almost surely, 2^204870342 is an apocalyptic number.

204870342 is an abundant number, since it is smaller than the sum of its proper divisors (205022778).

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

204870342 is a wasteful number, since it uses less digits than its factorization.

204870342 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12707.

The product of its (nonzero) digits is 10752, while the sum is 30.

The square root of 204870342 is about 14313.2924933434. The cubic root of 204870342 is about 589.5125169909.

It can be divided in two parts, 2048 and 70342, that added together give a triangular number (72390 = T₃₈₀).

The spelling of 204870342 in words is "two hundred four million, eight hundred seventy thousand, three hundred forty-two".