323310020220 has 72 divisors (see below), whose sum is σ = 1069862255280. Its totient is φ = 78378186240.

The previous prime is 323310020219. The next prime is 323310020261. The reversal of 323310020220 is 22020013323.

It is a happy number.

323310020220 is a `hidden beast` number, since 323 + 3 + 100 + 20 + 220 = 666.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a junction number, because it is equal to n+sod(n) for n = 323310020193 and 323310020202.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 81641965 + ... + 81645924.

It is an arithmetic number, because the mean of its divisors is an integer number (14859197990).

Almost surely, 2^323310020220 is an apocalyptic number.

323310020220 is a gapful number since it is divisible by the number (30) formed by its first and last digit.

It is an amenable number.

323310020220 is an abundant number, since it is smaller than the sum of its proper divisors (746552235060).

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

323310020220 is a wasteful number, since it uses less digits than its factorization.

323310020220 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 163287915 (or 163287910 counting only the distinct ones).

The product of its (nonzero) digits is 432, while the sum is 18.

Adding to 323310020220 its reverse (22020013323), we get a palindrome (345330033543).

The spelling of 323310020220 in words is "three hundred twenty-three billion, three hundred ten million, twenty thousand, two hundred twenty".