204335642 has 16 divisors (see below), whose sum is σ = 350671680. Its totient is φ = 87476928.

The previous prime is 204335629. The next prime is 204335647. The reversal of 204335642 is 246533402.

204335642 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not an unprimeable number, because it can be changed into a prime (204335647) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 6209 + ... + 21147.

It is an arithmetic number, because the mean of its divisors is an integer number (21916980).

Almost surely, 2^204335642 is an apocalyptic number.

204335642 is a deficient number, since it is larger than the sum of its proper divisors (146336038).

204335642 is a wasteful number, since it uses less digits than its factorization.

204335642 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15925.

The product of its (nonzero) digits is 17280, while the sum is 29.

The square root of 204335642 is about 14294.6018482503. The cubic root of 204335642 is about 588.9992053896. Note that the first 3 decimals are identical.

The spelling of 204335642 in words is "two hundred four million, three hundred thirty-five thousand, six hundred forty-two".