323132120020 has 48 divisors (see below), whose sum is σ = 704918785536. Its totient is φ = 124324256000.

The previous prime is 323132120011. The next prime is 323132120023. The reversal of 323132120020 is 20021231323.

It is a self number, because there is not a number n which added to its sum of digits gives 323132120020.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (323132120023) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2716876 + ... + 2833315.

It is an arithmetic number, because the mean of its divisors is an integer number (14685808032).

Almost surely, 2^323132120020 is an apocalyptic number.

It is an amenable number.

323132120020 is an abundant number, since it is smaller than the sum of its proper divisors (381786665516).

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

323132120020 is a wasteful number, since it uses less digits than its factorization.

323132120020 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5550312 (or 5550310 counting only the distinct ones).

The product of its (nonzero) digits is 432, while the sum is 19.

Adding to 323132120020 its reverse (20021231323), we get a palindrome (343153351343).

The spelling of 323132120020 in words is "three hundred twenty-three billion, one hundred thirty-two million, one hundred twenty thousand, twenty".