320100223032 has 64 divisors (see below), whose sum is σ = 889780953600. Its totient is φ = 106626434400.

The previous prime is 320100222989. The next prime is 320100223061. The reversal of 320100223032 is 230322001023.

It is a happy number.

It is a super-2 number, since 2×320100223032² (a number of 24 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a junction number, because it is equal to n+sod(n) for n = 320100222996 and 320100223014.

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, 197248 + ... + 824079.

It is an arithmetic number, because the mean of its divisors is an integer number (13902827400).

Almost surely, 2^320100223032 is an apocalyptic number.

It is an amenable number.

320100223032 is an abundant number, since it is smaller than the sum of its proper divisors (569680730568).

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

320100223032 is a wasteful number, since it uses less digits than its factorization.

320100223032 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1022793 (or 1022783 counting only the distinct ones).

The product of its (nonzero) digits is 432, while the sum is 18.

Adding to 320100223032 its reverse (230322001023), we get a palindrome (550422224055).

The spelling of 320100223032 in words is "three hundred twenty billion, one hundred million, two hundred twenty-three thousand, thirty-two".