323032221020 has 24 divisors (see below), whose sum is σ = 678378339744. Its totient is φ = 129210854976.

The previous prime is 323032220993. The next prime is 323032221023. The reversal of 323032221020 is 20122230323.

It is a super-2 number, since 2×323032221020² (a number of 24 digits) contains 22 as substring.

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 = 323032220983 and 323032221001.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (323032221023) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2467862 + ... + 2595458.

It is an arithmetic number, because the mean of its divisors is an integer number (28265764156).

Almost surely, 2^323032221020 is an apocalyptic number.

It is an amenable number.

323032221020 is an abundant number, since it is smaller than the sum of its proper divisors (355346118724).

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

323032221020 is a wasteful number, since it uses less digits than its factorization.

323032221020 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 254189 (or 254187 counting only the distinct ones).

The product of its (nonzero) digits is 864, while the sum is 20.

Adding to 323032221020 its reverse (20122230323), we get a palindrome (343154451343).

The spelling of 323032221020 in words is "three hundred twenty-three billion, thirty-two million, two hundred twenty-one thousand, twenty".