323312020 has 24 divisors (see below), whose sum is σ = 700858368. Its totient is φ = 125152800.

The previous prime is 323311979. The next prime is 323312021. The reversal of 323312020 is 20213323.

It is a junction number, because it is equal to n+sod(n) for n = 323311985 and 323312003.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (323312021) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 260116 + ... + 261355.

It is an arithmetic number, because the mean of its divisors is an integer number (29202432).

Almost surely, 2^323312020 is an apocalyptic number.

It is an amenable number.

323312020 is an abundant number, since it is smaller than the sum of its proper divisors (377546348).

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

323312020 is a wasteful number, since it uses less digits than its factorization.

323312020 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 521511 (or 521509 counting only the distinct ones).

The product of its (nonzero) digits is 216, while the sum is 16.

The square root of 323312020 is about 17980.8792888446. The cubic root of 323312020 is about 686.3420649252.

Adding to 323312020 its reverse (20213323), we get a palindrome (343525343).

The spelling of 323312020 in words is "three hundred twenty-three million, three hundred twelve thousand, twenty".