323212230220220 has 24 divisors (see below), whose sum is σ = 740449836505008. Its totient is φ = 117531720080000.

The previous prime is 323212230220219. The next prime is 323212230220241. The reversal of 323212230220220 is 22022032212323.

It is a super-2 number, since 2×323212230220220² (a number of 30 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 323212230220220.

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, 734573250281 + ... + 734573250720.

It is an arithmetic number, because the mean of its divisors is an integer number (30852076521042).

Almost surely, 2^{323212230220220} is an apocalyptic number.

It is an amenable number.

323212230220220 is an abundant number, since it is smaller than the sum of its proper divisors (417237606284788).

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

323212230220220 is a wasteful number, since it uses less digits than its factorization.

323212230220220 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1469146501021 (or 1469146501019 counting only the distinct ones).

The product of its (nonzero) digits is 6912, while the sum is 26.

Adding to 323212230220220 its reverse (22022032212323), we get a palindrome (345234262432543).

The spelling of 323212230220220 in words is "three hundred twenty-three trillion, two hundred twelve billion, two hundred thirty million, two hundred twenty thousand, two hundred twenty".