204162642 has 24 divisors (see below), whose sum is σ = 451766016. Its totient is φ = 66605976.

The previous prime is 204162641. The next prime is 204162649. The reversal of 204162642 is 246261402.

204162642 is a `hidden beast` number, since 2 + 0 + 4 + 16 + 2 + 642 = 666.

It is not an unprimeable number, because it can be changed into a prime (204162641) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 119818 + ... + 121509.

It is an arithmetic number, because the mean of its divisors is an integer number (18823584).

Almost surely, 2^204162642 is an apocalyptic number.

204162642 is an abundant number, since it is smaller than the sum of its proper divisors (247603374).

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

204162642 is a wasteful number, since it uses less digits than its factorization.

204162642 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 241382 (or 241379 counting only the distinct ones).

The product of its (nonzero) digits is 4608, while the sum is 27.

The square root of 204162642 is about 14288.5493315452. The cubic root of 204162642 is about 588.8329338050.

The spelling of 204162642 in words is "two hundred four million, one hundred sixty-two thousand, six hundred forty-two".