220320120 has 96 divisors (see below), whose sum is σ = 672613200. Its totient is φ = 57733632.

The previous prime is 220320109. The next prime is 220320127. The reversal of 220320120 is 21023022.

It is a Harshad number since it is a multiple of its sum of digits (12).

It is a junction number, because it is equal to n+sod(n) for n = 220320096 and 220320105.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (220320127) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 538476 + ... + 538884.

Almost surely, 2^220320120 is an apocalyptic number.

220320120 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 220320120, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (336306600).

220320120 is an abundant number, since it is smaller than the sum of its proper divisors (452293080).

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

220320120 is a wasteful number, since it uses less digits than its factorization.

220320120 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 557 (or 486 counting only the distinct ones).

The product of its (nonzero) digits is 48, while the sum is 12.

The square root of 220320120 is about 14843.1842944834. The cubic root of 220320120 is about 603.9737353899.

Adding to 220320120 its reverse (21023022), we get a palindrome (241343142).

The spelling of 220320120 in words is "two hundred twenty million, three hundred twenty thousand, one hundred twenty".