205311032204 has 12 divisors (see below), whose sum is σ = 359461980864. Its totient is φ = 102607609104.

The previous prime is 205311032149. The next prime is 205311032207. The reversal of 205311032204 is 402230113502.

It is a self number, because there is not a number n which added to its sum of digits gives 205311032204.

It is not an unprimeable number, because it can be changed into a prime (205311032207) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 11967107 + ... + 11984250.

It is an arithmetic number, because the mean of its divisors is an integer number (29955165072).

Almost surely, 2^205311032204 is an apocalyptic number.

It is an amenable number.

205311032204 is a deficient number, since it is larger than the sum of its proper divisors (154150948660).

205311032204 is a wasteful number, since it uses less digits than its factorization.

205311032204 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 23953504 (or 23953502 counting only the distinct ones).

The product of its (nonzero) digits is 1440, while the sum is 23.

Adding to 205311032204 its reverse (402230113502), we get a palindrome (607541145706).

The spelling of 205311032204 in words is "two hundred five billion, three hundred eleven million, thirty-two thousand, two hundred four".