204231020102 has 16 divisors (see below), whose sum is σ = 324140872560. Its totient is φ = 96239757312.

The previous prime is 204231020099. The next prime is 204231020129. The reversal of 204231020102 is 201020132402.

204231020102 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 pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 13916243 + ... + 13930910.

It is an arithmetic number, because the mean of its divisors is an integer number (20258804535).

Almost surely, 2^204231020102 is an apocalyptic number.

204231020102 is a deficient number, since it is larger than the sum of its proper divisors (119909852458).

204231020102 is a wasteful number, since it uses less digits than its factorization.

204231020102 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 27847367.

The product of its (nonzero) digits is 192, while the sum is 17.

Adding to 204231020102 its reverse (201020132402), we get a palindrome (405251152504).

The spelling of 204231020102 in words is "two hundred four billion, two hundred thirty-one million, twenty thousand, one hundred two".