220123320120 has 128 divisors (see below), whose sum is σ = 800448480000. Its totient is φ = 53363226240.

The previous prime is 220123320107. The next prime is 220123320173. The reversal of 220123320120 is 21023321022.

220123320120 is a `hidden beast` number, since 2 + 201 + 23 + 320 + 120 = 666.

220123320120 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a junction number, because it is equal to n+sod(n) for n = 220123320093 and 220123320102.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 9252570 + ... + 9276329.

It is an arithmetic number, because the mean of its divisors is an integer number (6253503750).

Almost surely, 2^220123320120 is an apocalyptic number.

220123320120 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

220123320120 is an abundant number, since it is smaller than the sum of its proper divisors (580325159880).

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

220123320120 is a wasteful number, since it uses less digits than its factorization.

220123320120 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 18528930 (or 18528920 counting only the distinct ones).

The product of its (nonzero) digits is 288, while the sum is 18.

Adding to 220123320120 its reverse (21023321022), we get a palindrome (241146641142).

The spelling of 220123320120 in words is "two hundred twenty billion, one hundred twenty-three million, three hundred twenty thousand, one hundred twenty".