320222123232 has 96 divisors (see below), whose sum is σ = 918077328000. Its totient is φ = 96922974720.

The previous prime is 320222123231. The next prime is 320222123237. The reversal of 320222123232 is 232321222023.

It is a tau number, because it is divible by the number of its divisors (96).

It is a Harshad number since it is a multiple of its sum of digits (24).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (320222123231) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 723019 + ... + 1078517.

It is an arithmetic number, because the mean of its divisors is an integer number (9563305500).

Almost surely, 2^320222123232 is an apocalyptic number.

320222123232 is a gapful number since it is divisible by the number (32) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 320222123232, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (459038664000).

320222123232 is an abundant number, since it is smaller than the sum of its proper divisors (597855204768).

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

320222123232 is a wasteful number, since it uses less digits than its factorization.

320222123232 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 356376 (or 356368 counting only the distinct ones).

The product of its (nonzero) digits is 3456, while the sum is 24.

Adding to 320222123232 its reverse (232321222023), we get a palindrome (552543345255).

The spelling of 320222123232 in words is "three hundred twenty billion, two hundred twenty-two million, one hundred twenty-three thousand, two hundred thirty-two".