323330020 has 24 divisors (see below), whose sum is σ = 731223864. Its totient is φ = 119383296.

The previous prime is 323330009. The next prime is 323330071. The reversal of 323330020 is 20033323.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 20848356 + 302481664 = 4566^2 + 17392^2 .

It is a junction number, because it is equal to n+sod(n) for n = 323329976 and 323330003.

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, 621529 + ... + 622048.

It is an arithmetic number, because the mean of its divisors is an integer number (30467661).

Almost surely, 2^323330020 is an apocalyptic number.

It is an amenable number.

323330020 is an abundant number, since it is smaller than the sum of its proper divisors (407893844).

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

323330020 is a wasteful number, since it uses less digits than its factorization.

323330020 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1243599 (or 1243597 counting only the distinct ones).

The product of its (nonzero) digits is 324, while the sum is 16.

The square root of 323330020 is about 17981.3798135738. The cubic root of 323330020 is about 686.3548017730.

Adding to 323330020 its reverse (20033323), we get a palindrome (343363343).

The spelling of 323330020 in words is "three hundred twenty-three million, three hundred thirty thousand, twenty".