220443120 has 100 divisors (see below), whose sum is σ = 765654120. Its totient is φ = 58783104.

The previous prime is 220443049. The next prime is 220443163. The reversal of 220443120 is 21344022.

220443120 is a `hidden beast` number, since 220 + 443 + 1 + 2 + 0 = 666.

220443120 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 = 220443093 and 220443102.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 10530 + ... + 23489.

Almost surely, 2^220443120 is an apocalyptic number.

220443120 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

220443120 is an abundant number, since it is smaller than the sum of its proper divisors (545211000).

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

220443120 is a wasteful number, since it uses less digits than its factorization.

220443120 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 34044 (or 34029 counting only the distinct ones).

The product of its (nonzero) digits is 384, while the sum is 18.

The square root of 220443120 is about 14847.3270321631. The cubic root of 220443120 is about 604.0861096768.

Adding to 220443120 its reverse (21344022), we get a palindrome (241787142).

The spelling of 220443120 in words is "two hundred twenty million, four hundred forty-three thousand, one hundred twenty".