320213124432 has 60 divisors (see below), whose sum is σ = 904082602644. Its totient is φ = 105793121280.

The previous prime is 320213124419. The next prime is 320213124449. The reversal of 320213124432 is 234421312023.

320213124432 is a `hidden beast` number, since 3 + 2 + 0 + 213 + 1 + 2 + 443 + 2 = 666.

It can be written as a sum of positive squares in 2 ways, for example, as 24738256656 + 295474867776 = 157284^2 + 543576^2 .

It is a junction number, because it is equal to n+sod(n) for n = 320213124396 and 320213124405.

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, 9823119 + ... + 9855662.

Almost surely, 2^320213124432 is an apocalyptic number.

It is an amenable number.

320213124432 is an abundant number, since it is smaller than the sum of its proper divisors (583869478212).

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

320213124432 is a wasteful number, since it uses less digits than its factorization.

320213124432 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 19678908 (or 19678899 counting only the distinct ones).

The product of its (nonzero) digits is 6912, while the sum is 27.

Adding to 320213124432 its reverse (234421312023), we get a palindrome (554634436455).

The spelling of 320213124432 in words is "three hundred twenty billion, two hundred thirteen million, one hundred twenty-four thousand, four hundred thirty-two".