323220332020 has 48 divisors (see below), whose sum is σ = 689681502720. Its totient is φ = 127212776064.

The previous prime is 323220332011. The next prime is 323220332051. The reversal of 323220332020 is 20233022323.

It is a super-2 number, since 2×323220332020² (a number of 24 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 323220331982 and 323220332000.

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, 1037661 + ... + 1312699.

It is an arithmetic number, because the mean of its divisors is an integer number (14368364640).

Almost surely, 2^323220332020 is an apocalyptic number.

It is an amenable number.

323220332020 is an abundant number, since it is smaller than the sum of its proper divisors (366461170700).

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

323220332020 is a wasteful number, since it uses less digits than its factorization.

323220332020 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 275992 (or 275990 counting only the distinct ones).

The product of its (nonzero) digits is 2592, while the sum is 22.

Adding to 323220332020 its reverse (20233022323), we get a palindrome (343453354343).

The spelling of 323220332020 in words is "three hundred twenty-three billion, two hundred twenty million, three hundred thirty-two thousand, twenty".