220120130120 has 128 divisors (see below), whose sum is σ = 565419709440. Its totient is φ = 76341661440.

The previous prime is 220120130107. The next prime is 220120130149. The reversal of 220120130120 is 21031021022.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 220120130095 and 220120130104.

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, 3480299 + ... + 3542981.

It is an arithmetic number, because the mean of its divisors is an integer number (4417341480).

Almost surely, 2^220120130120 is an apocalyptic number.

220120130120 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 220120130120, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (282709854720).

220120130120 is an abundant number, since it is smaller than the sum of its proper divisors (345299579320).

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

220120130120 is a wasteful number, since it uses less digits than its factorization.

220120130120 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 63075 (or 63071 counting only the distinct ones).

The product of its (nonzero) digits is 48, while the sum is 14.

Adding to 220120130120 its reverse (21031021022), we get a palindrome (241151151142).

The spelling of 220120130120 in words is "two hundred twenty billion, one hundred twenty million, one hundred thirty thousand, one hundred twenty".