320222111132 has 96 divisors (see below), whose sum is σ = 729263969280. Its totient is φ = 119301304320.

The previous prime is 320222111119. The next prime is 320222111147. The reversal of 320222111132 is 231111222023.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 39446738 + ... + 39454854.

It is an arithmetic number, because the mean of its divisors is an integer number (7596499680).

Almost surely, 2^320222111132 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 320222111132, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (364631984640).

320222111132 is an abundant number, since it is smaller than the sum of its proper divisors (409041858148).

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

320222111132 is a wasteful number, since it uses less digits than its factorization.

320222111132 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13731 (or 13729 counting only the distinct ones).

The product of its (nonzero) digits is 288, while the sum is 20.

Adding to 320222111132 its reverse (231111222023), we get a palindrome (551333333155).

The spelling of 320222111132 in words is "three hundred twenty billion, two hundred twenty-two million, one hundred eleven thousand, one hundred thirty-two".