220102331320 has 128 divisors (see below), whose sum is σ = 530212780800. Its totient is φ = 81942102016.

The previous prime is 220102331299. The next prime is 220102331329. The reversal of 220102331320 is 23133201022.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (220102331329) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 25055649 + ... + 25064431.

It is an arithmetic number, because the mean of its divisors is an integer number (4142287350).

Almost surely, 2^220102331320 is an apocalyptic number.

220102331320 is a gapful number since it is divisible by the number (20) 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 220102331320, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (265106390400).

220102331320 is an abundant number, since it is smaller than the sum of its proper divisors (310110449480).

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

220102331320 is a wasteful number, since it uses less digits than its factorization.

220102331320 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9217 (or 9213 counting only the distinct ones).

The product of its (nonzero) digits is 432, while the sum is 19.

Adding to 220102331320 its reverse (23133201022), we get a palindrome (243235532342).

The spelling of 220102331320 in words is "two hundred twenty billion, one hundred two million, three hundred thirty-one thousand, three hundred twenty".