204312005522 has 32 divisors (see below), whose sum is σ = 328681152000. Its totient is φ = 94907225088.

The previous prime is 204312005519. The next prime is 204312005537. The reversal of 204312005522 is 225500213402.

204312005522 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a junction number, because it is equal to n+sod(n) for n = 204312005491 and 204312005500.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 17917979 + ... + 17929377.

It is an arithmetic number, because the mean of its divisors is an integer number (10271286000).

Almost surely, 2^204312005522 is an apocalyptic number.

204312005522 is a deficient number, since it is larger than the sum of its proper divisors (124369146478).

204312005522 is a wasteful number, since it uses less digits than its factorization.

204312005522 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 18170.

The product of its (nonzero) digits is 4800, while the sum is 26.

Adding to 204312005522 its reverse (225500213402), we get a palindrome (429812218924).

The spelling of 204312005522 in words is "two hundred four billion, three hundred twelve million, five thousand, five hundred twenty-two".