320021322113232 has 60 divisors (see below), whose sum is σ = 896365953593604. Its totient is φ = 106584357573120.

The previous prime is 320021322113201. The next prime is 320021322113263. The reversal of 320021322113232 is 232311223120023.

320021322113232 is a `hidden beast` number, since 3 + 2 + 0 + 0 + 2 + 1 + 322 + 11 + 323 + 2 = 666.

It is an interprime number because it is at equal distance from previous prime (320021322113201) and next prime (320021322113263).

It can be written as a sum of positive squares in 2 ways, for example, as 221688395753616 + 98332926359616 = 14889204^2 + 9916296^2 .

It is a junction number, because it is equal to n+sod(n) for n = 320021322113196 and 320021322113205.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 931249119 + ... + 931592702.

Almost surely, 2^{320021322113232} is an apocalyptic number.

It is an amenable number.

320021322113232 is an abundant number, since it is smaller than the sum of its proper divisors (576344631480372).

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

320021322113232 is a wasteful number, since it uses less digits than its factorization.

320021322113232 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1862843028 (or 1862843019 counting only the distinct ones).

The product of its (nonzero) digits is 5184, while the sum is 27.

Adding to 320021322113232 its reverse (232311223120023), we get a palindrome (552332545233255).

The spelling of 320021322113232 in words is "three hundred twenty trillion, twenty-one billion, three hundred twenty-two million, one hundred thirteen thousand, two hundred thirty-two".