320020000332 has 12 divisors (see below), whose sum is σ = 746713334136. Its totient is φ = 106673333440.

The previous prime is 320020000253. The next prime is 320020000337. The reversal of 320020000332 is 233000020023.

It is a tau number, because it is divible by the number of its divisors (12).

It is a super-2 number, since 2×320020000332² (a number of 24 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (320020000337) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 13334166669 + ... + 13334166692.

It is an arithmetic number, because the mean of its divisors is an integer number (62226111178).

Almost surely, 2^320020000332 is an apocalyptic number.

It is an amenable number.

320020000332 is an abundant number, since it is smaller than the sum of its proper divisors (426693333804).

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

320020000332 is a wasteful number, since it uses less digits than its factorization.

320020000332 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 26668333368 (or 26668333366 counting only the distinct ones).

The product of its (nonzero) digits is 216, while the sum is 15.

Adding to 320020000332 its reverse (233000020023), we get a palindrome (553020020355).

The spelling of 320020000332 in words is "three hundred twenty billion, twenty million, three hundred thirty-two", and thus it is an aban number.