220143120 has 160 divisors (see below), whose sum is σ = 749952000. Its totient is φ = 53171712.

The previous prime is 220143113. The next prime is 220143127. The reversal of 220143120 is 21341022.

It is an interprime number because it is at equal distance from previous prime (220143113) and next prime (220143127).

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 220143120.

It is not an unprimeable number, because it can be changed into a prime (220143127) 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 31 ways as a sum of consecutive naturals, for example, 103831 + ... + 105929.

It is an arithmetic number, because the mean of its divisors is an integer number (4687200).

Almost surely, 2^220143120 is an apocalyptic number.

220143120 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 220143120, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (374976000).

220143120 is an abundant number, since it is smaller than the sum of its proper divisors (529808880).

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

220143120 is a wasteful number, since it uses less digits than its factorization.

220143120 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2157 (or 2151 counting only the distinct ones).

The product of its (nonzero) digits is 96, while the sum is 15.

The square root of 220143120 is about 14837.2207640110. The cubic root of 220143120 is about 603.8119526291.

Adding to 220143120 its reverse (21341022), we get a palindrome (241484142).

The spelling of 220143120 in words is "two hundred twenty million, one hundred forty-three thousand, one hundred twenty".