320332221404 has 12 divisors (see below), whose sum is σ = 603703032744. Its totient is φ = 147845640624.

The previous prime is 320332221383. The next prime is 320332221421. The reversal of 320332221404 is 404122233023.

It is a super-2 number, since 2×320332221404² (a number of 24 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (26).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3080117462 + ... + 3080117565.

It is an arithmetic number, because the mean of its divisors is an integer number (50308586062).

Almost surely, 2^320332221404 is an apocalyptic number.

It is an amenable number.

320332221404 is a deficient number, since it is larger than the sum of its proper divisors (283370811340).

320332221404 is a wasteful number, since it uses less digits than its factorization.

320332221404 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6160235044 (or 6160235042 counting only the distinct ones).

The product of its (nonzero) digits is 6912, while the sum is 26.

Adding to 320332221404 its reverse (404122233023), we get a palindrome (724454454427).

The spelling of 320332221404 in words is "three hundred twenty billion, three hundred thirty-two million, two hundred twenty-one thousand, four hundred four".