2160220 has 12 divisors (see below), whose sum is σ = 4536504. Its totient is φ = 864080.

The previous prime is 2160217. The next prime is 2160233. The reversal of 2160220 is 220612.

It is a happy number.

2160220 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is an Ulam number.

It is a self number, because there is not a number n which added to its sum of digits gives 2160220.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 53986 + ... + 54025.

It is an arithmetic number, because the mean of its divisors is an integer number (378042).

2^2160220 is an apocalyptic number.

2160220 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2160220 is an abundant number, since it is smaller than the sum of its proper divisors (2376284).

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

2160220 is a wasteful number, since it uses less digits than its factorization.

2160220 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 108020 (or 108018 counting only the distinct ones).

The product of its (nonzero) digits is 48, while the sum is 13.

The square root of 2160220 is about 1469.7686892841. The cubic root of 2160220 is about 129.2704699162.

Adding to 2160220 its reverse (220612), we get a palindrome (2380832).

The spelling of 2160220 in words is "two million, one hundred sixty thousand, two hundred twenty".