320231112220 has 48 divisors (see below), whose sum is σ = 674788060800. Its totient is φ = 127654492160.

The previous prime is 320231112209. The next prime is 320231112247. The reversal of 320231112220 is 22211132023.

It is a congruent number.

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, 7987986 + ... + 8027974.

It is an arithmetic number, because the mean of its divisors is an integer number (14058084600).

Almost surely, 2^320231112220 is an apocalyptic number.

It is an amenable number.

320231112220 is an abundant number, since it is smaller than the sum of its proper divisors (354556948580).

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

320231112220 is a wasteful number, since it uses less digits than its factorization.

320231112220 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 41358 (or 41356 counting only the distinct ones).

The product of its (nonzero) digits is 288, while the sum is 19.

Adding to 320231112220 its reverse (22211132023), we get a palindrome (342442244243).

The spelling of 320231112220 in words is "three hundred twenty billion, two hundred thirty-one million, one hundred twelve thousand, two hundred twenty".