204329890 has 16 divisors (see below), whose sum is σ = 369722880. Its totient is φ = 81303280.

The previous prime is 204329869. The next prime is 204329903. The reversal of 204329890 is 98923402.

204329890 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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, 51580 + ... + 55399.

It is an arithmetic number, because the mean of its divisors is an integer number (23107680).

Almost surely, 2^204329890 is an apocalyptic number.

204329890 is a deficient number, since it is larger than the sum of its proper divisors (165392990).

204329890 is a wasteful number, since it uses less digits than its factorization.

204329890 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 107177.

The product of its (nonzero) digits is 31104, while the sum is 37.

The square root of 204329890 is about 14294.4006520036. The cubic root of 204329890 is about 588.9936786083.

The spelling of 204329890 in words is "two hundred four million, three hundred twenty-nine thousand, eight hundred ninety".