204031322320 has 80 divisors (see below), whose sum is σ = 542322039168. Its totient is φ = 69930155520.

The previous prime is 204031322291. The next prime is 204031322371. The reversal of 204031322320 is 23223130402.

It is a tau number, because it is divible by the number of its divisors (80).

It is a junction number, because it is equal to n+sod(n) for n = 204031322291 and 204031322300.

It is a congruent number.

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, 1654647 + ... + 1773673.

Almost surely, 2^204031322320 is an apocalyptic number.

204031322320 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

204031322320 is an abundant number, since it is smaller than the sum of its proper divisors (338290716848).

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

204031322320 is a wasteful number, since it uses less digits than its factorization.

204031322320 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 122108 (or 122102 counting only the distinct ones).

The product of its (nonzero) digits is 1728, while the sum is 22.

Adding to 204031322320 its reverse (23223130402), we get a palindrome (227254452722).

The spelling of 204031322320 in words is "two hundred four billion, thirty-one million, three hundred twenty-two thousand, three hundred twenty".