323402020 has 12 divisors (see below), whose sum is σ = 679144284. Its totient is φ = 129360800.

The previous prime is 323402017. The next prime is 323402039. The reversal of 323402020 is 20204323.

It can be written as a sum of positive squares in 2 ways, for example, as 150847524 + 172554496 = 12282^2 + 13136^2 .

It is a junction number, because it is equal to n+sod(n) for n = 323401985 and 323402003.

It is an unprimeable number.

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 3 ways as a sum of consecutive naturals, for example, 8085031 + ... + 8085070.

It is an arithmetic number, because the mean of its divisors is an integer number (56595357).

Almost surely, 2^323402020 is an apocalyptic number.

It is an amenable number.

323402020 is an abundant number, since it is smaller than the sum of its proper divisors (355742264).

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

323402020 is a wasteful number, since it uses less digits than its factorization.

323402020 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16170110 (or 16170108 counting only the distinct ones).

The product of its (nonzero) digits is 288, while the sum is 16.

The square root of 323402020 is about 17983.3817731816. The cubic root of 323402020 is about 686.4057444373.

Adding to 323402020 its reverse (20204323), we get a palindrome (343606343).

The spelling of 323402020 in words is "three hundred twenty-three million, four hundred two thousand, twenty".