204390652 has 12 divisors (see below), whose sum is σ = 359500680. Its totient is φ = 101676176.

The previous prime is 204390623. The next prime is 204390661. The reversal of 204390652 is 256093402.

204390652 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 128902 + ... + 130477.

It is an arithmetic number, because the mean of its divisors is an integer number (29958390).

Almost surely, 2^204390652 is an apocalyptic number.

It is an amenable number.

204390652 is a deficient number, since it is larger than the sum of its proper divisors (155110028).

204390652 is a wasteful number, since it uses less digits than its factorization.

204390652 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 259580 (or 259578 counting only the distinct ones).

The product of its (nonzero) digits is 12960, while the sum is 31.

The square root of 204390652 is about 14296.5258716934. The cubic root of 204390652 is about 589.0520562429.

The spelling of 204390652 in words is "two hundred four million, three hundred ninety thousand, six hundred fifty-two".