320032220320 has 48 divisors (see below), whose sum is σ = 756116218368. Its totient is φ = 128006099200.

The previous prime is 320032220309. The next prime is 320032220323. The reversal of 320032220320 is 23022230023.

It is a super-3 number, since 3×320032220320³ (a number of 35 digits) contains 333 as substring.

It is not an unprimeable number, because it can be changed into a prime (320032220323) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3883545 + ... + 3965095.

It is an arithmetic number, because the mean of its divisors is an integer number (15752421216).

Almost surely, 2^320032220320 is an apocalyptic number.

It is an amenable number.

320032220320 is an abundant number, since it is smaller than the sum of its proper divisors (436083998048).

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

320032220320 is a wasteful number, since it uses less digits than its factorization.

320032220320 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 106093 (or 106085 counting only the distinct ones).

The product of its (nonzero) digits is 864, while the sum is 19.

Adding to 320032220320 its reverse (23022230023), we get a palindrome (343054450343).

The spelling of 320032220320 in words is "three hundred twenty billion, thirty-two million, two hundred twenty thousand, three hundred twenty".