220310331332 has 72 divisors (see below), whose sum is σ = 477275020992. Its totient is φ = 87127747200.

The previous prime is 220310331317. The next prime is 220310331349. The reversal of 220310331332 is 233133013022.

It is a junction number, because it is equal to n+sod(n) for n = 220310331298 and 220310331307.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 20914907 + ... + 20925437.

It is an arithmetic number, because the mean of its divisors is an integer number (6628819736).

Almost surely, 2^220310331332 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 220310331332, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (238637510496).

220310331332 is an abundant number, since it is smaller than the sum of its proper divisors (256964689660).

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

220310331332 is a wasteful number, since it uses less digits than its factorization.

220310331332 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14989 (or 14974 counting only the distinct ones).

The product of its (nonzero) digits is 1944, while the sum is 23.

Adding to 220310331332 its reverse (233133013022), we get a palindrome (453443344354).

The spelling of 220310331332 in words is "two hundred twenty billion, three hundred ten million, three hundred thirty-one thousand, three hundred thirty-two".