323311120200020 has 24 divisors (see below), whose sum is σ = 682365178320000. Its totient is φ = 128674576480032.

The previous prime is 323311120200007. The next prime is 323311120200037. The reversal of 323311120200020 is 20002021113323.

It is a Harshad number since it is a multiple of its sum of digits (20).

It is a junction number, because it is equal to n+sod(n) for n = 323311120199965 and 323311120200001.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 40616970920 + ... + 40616978879.

It is an arithmetic number, because the mean of its divisors is an integer number (28431882430000).

Almost surely, 2^{323311120200020} is an apocalyptic number.

It is an amenable number.

323311120200020 is an abundant number, since it is smaller than the sum of its proper divisors (359054058119980).

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

323311120200020 is a wasteful number, since it uses less digits than its factorization.

323311120200020 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 81233950007 (or 81233950005 counting only the distinct ones).

The product of its (nonzero) digits is 432, while the sum is 20.

Adding to 323311120200020 its reverse (20002021113323), we get a palindrome (343313141313343).

The spelling of 323311120200020 in words is "three hundred twenty-three trillion, three hundred eleven billion, one hundred twenty million, two hundred thousand, twenty".