320021113243204 has 48 divisors (see below), whose sum is σ = 562601749248000. Its totient is φ = 159278999398400.

The previous prime is 320021113243189. The next prime is 320021113243217. The reversal of 320021113243204 is 402342311120023.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 4482115497 + ... + 4482186895.

It is an arithmetic number, because the mean of its divisors is an integer number (11720869776000).

Almost surely, 2^{320021113243204} is an apocalyptic number.

It is an amenable number.

320021113243204 is a deficient number, since it is larger than the sum of its proper divisors (242580636004796).

320021113243204 is a wasteful number, since it uses less digits than its factorization.

320021113243204 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 75684 (or 75682 counting only the distinct ones).

The product of its (nonzero) digits is 6912, while the sum is 28.

Adding to 320021113243204 its reverse (402342311120023), we get a palindrome (722363424363227).

The spelling of 320021113243204 in words is "three hundred twenty trillion, twenty-one billion, one hundred thirteen million, two hundred forty-three thousand, two hundred four".