204646242 has 16 divisors (see below), whose sum is σ = 409433760. Its totient is φ = 68191872.

The previous prime is 204646241. The next prime is 204646291. The reversal of 204646242 is 242646402.

204646242 is digitally balanced in base 3, 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 (204646241) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 27609 + ... + 34227.

It is an arithmetic number, because the mean of its divisors is an integer number (25589610).

Almost surely, 2^204646242 is an apocalyptic number.

204646242 is an abundant number, since it is smaller than the sum of its proper divisors (204787518).

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

204646242 is a wasteful number, since it uses less digits than its factorization.

204646242 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11777.

The product of its (nonzero) digits is 18432, while the sum is 30.

The square root of 204646242 is about 14305.4619638794. The cubic root of 204646242 is about 589.2974900084.

The spelling of 204646242 in words is "two hundred four million, six hundred forty-six thousand, two hundred forty-two".