323231202020 has 12 divisors (see below), whose sum is σ = 678785524284. Its totient is φ = 129292480800.

The previous prime is 323231201957. The next prime is 323231202067. The reversal of 323231202020 is 20202132323.

It can be written as a sum of positive squares in 2 ways, for example, as 257083477156 + 66147724864 = 507034^2 + 257192^2 .

It is a Harshad number since it is a multiple of its sum of digits (20), and also a Moran number because the ratio is a prime number: 16161560101 = 323231202020 / (3 + 2 + 3 + 2 + 3 + 1 + 2 + 0 + 2 + 0 + 2 + 0).

It is a junction number, because it is equal to n+sod(n) for n = 323231201983 and 323231202001.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 8080780031 + ... + 8080780070.

It is an arithmetic number, because the mean of its divisors is an integer number (56565460357).

Almost surely, 2^323231202020 is an apocalyptic number.

It is an amenable number.

323231202020 is an abundant number, since it is smaller than the sum of its proper divisors (355554322264).

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

323231202020 is a wasteful number, since it uses less digits than its factorization.

323231202020 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16161560110 (or 16161560108 counting only the distinct ones).

The product of its (nonzero) digits is 864, while the sum is 20.

Adding to 323231202020 its reverse (20202132323), we get a palindrome (343433334343).

The spelling of 323231202020 in words is "three hundred twenty-three billion, two hundred thirty-one million, two hundred two thousand, twenty".