220120111320 has 64 divisors (see below), whose sum is σ = 660391280640. Its totient is φ = 58695945600.

The previous prime is 220120111319. The next prime is 220120111327. The reversal of 220120111320 is 23111021022.

It is a Harshad number since it is a multiple of its sum of digits (15).

It is a self number, because there is not a number n which added to its sum of digits gives 220120111320.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (220120111327) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 4701225 + ... + 4747815.

It is an arithmetic number, because the mean of its divisors is an integer number (10318613760).

Almost surely, 2^220120111320 is an apocalyptic number.

220120111320 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

220120111320 is an abundant number, since it is smaller than the sum of its proper divisors (440271169320).

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

220120111320 is a wasteful number, since it uses less digits than its factorization.

220120111320 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 85976 (or 85972 counting only the distinct ones).

The product of its (nonzero) digits is 48, while the sum is 15.

Adding to 220120111320 its reverse (23111021022), we get a palindrome (243231132342).

The spelling of 220120111320 in words is "two hundred twenty billion, one hundred twenty million, one hundred eleven thousand, three hundred twenty".