320011072832 has 28 divisors (see below), whose sum is σ = 692751244416. Its totient is φ = 145459578240.

The previous prime is 320011072819. The next prime is 320011072853. The reversal of 320011072832 is 238270110023.

It is a junction number, because it is equal to n+sod(n) for n = 320011072795 and 320011072804.

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, 227279888 + ... + 227281295.

It is an arithmetic number, because the mean of its divisors is an integer number (24741115872).

Almost surely, 2^320011072832 is an apocalyptic number.

320011072832 is a gapful number since it is divisible by the number (32) formed by its first and last digit.

It is an amenable number.

320011072832 is an abundant number, since it is smaller than the sum of its proper divisors (372740171584).

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

320011072832 is a wasteful number, since it uses less digits than its factorization.

320011072832 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 454561206 (or 454561196 counting only the distinct ones).

The product of its (nonzero) digits is 4032, while the sum is 29.

Adding to 320011072832 its reverse (238270110023), we get a palindrome (558281182855).

The spelling of 320011072832 in words is "three hundred twenty billion, eleven million, seventy-two thousand, eight hundred thirty-two".