320021330020332 has 48 divisors (see below), whose sum is σ = 746860218569472. Its totient is φ = 106653238084800.

The previous prime is 320021330020319. The next prime is 320021330020417. The reversal of 320021330020332 is 233020033120023.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1756655913 + ... + 1756838079.

It is an arithmetic number, because the mean of its divisors is an integer number (15559587886864).

Almost surely, 2^{320021330020332} is an apocalyptic number.

It is an amenable number.

320021330020332 is an abundant number, since it is smaller than the sum of its proper divisors (426838888549140).

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

320021330020332 is a wasteful number, since it uses less digits than its factorization.

320021330020332 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 209558 (or 209556 counting only the distinct ones).

The product of its (nonzero) digits is 3888, while the sum is 24.

Adding to 320021330020332 its reverse (233020033120023), we get a palindrome (553041363140355).

The spelling of 320021330020332 in words is "three hundred twenty trillion, twenty-one billion, three hundred thirty million, twenty thousand, three hundred thirty-two".