204234440102 has 48 divisors (see below), whose sum is σ = 409226748480. Its totient is φ = 75383859600.

The previous prime is 204234440089. The next prime is 204234440117. The reversal of 204234440102 is 201044432402.

It is a happy number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 4965224 + ... + 5006187.

It is an arithmetic number, because the mean of its divisors is an integer number (8525557260).

Almost surely, 2^204234440102 is an apocalyptic number.

204234440102 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

204234440102 is an abundant number, since it is smaller than the sum of its proper divisors (204992308378).

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

204234440102 is a wasteful number, since it uses less digits than its factorization.

204234440102 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9971457 (or 9971450 counting only the distinct ones).

The product of its (nonzero) digits is 6144, while the sum is 26.

Adding to 204234440102 its reverse (201044432402), we get a palindrome (405278872504).

The spelling of 204234440102 in words is "two hundred four billion, two hundred thirty-four million, four hundred forty thousand, one hundred two".