320121022404 has 48 divisors (see below), whose sum is σ = 756059996160. Its totient is φ = 105405824160.

The previous prime is 320121022399. The next prime is 320121022427. The reversal of 320121022404 is 404220121023.

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 15 ways as a sum of consecutive naturals, for example, 8138617 + ... + 8177855.

It is an arithmetic number, because the mean of its divisors is an integer number (15751249920).

Almost surely, 2^320121022404 is an apocalyptic number.

It is an amenable number.

320121022404 is an abundant number, since it is smaller than the sum of its proper divisors (435938973756).

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

320121022404 is a wasteful number, since it uses less digits than its factorization.

320121022404 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 47520 (or 47518 counting only the distinct ones).

The product of its (nonzero) digits is 768, while the sum is 21.

Adding to 320121022404 its reverse (404220121023), we get a palindrome (724341143427).

The spelling of 320121022404 in words is "three hundred twenty billion, one hundred twenty-one million, twenty-two thousand, four hundred four".