3120244220 has 24 divisors (see below), whose sum is σ = 6897382800. Its totient is φ = 1182408192.

The previous prime is 3120244213. The next prime is 3120244223. The reversal of 3120244220 is 224420213.

It is a Harshad number since it is a multiple of its sum of digits (20).

It is a junction number, because it is equal to n+sod(n) for n = 3120244192 and 3120244201.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3120244223) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4105205 + ... + 4105964.

It is an arithmetic number, because the mean of its divisors is an integer number (287390950).

Almost surely, 2^3120244220 is an apocalyptic number.

It is an amenable number.

3120244220 is an abundant number, since it is smaller than the sum of its proper divisors (3777138580).

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

3120244220 is a wasteful number, since it uses less digits than its factorization.

3120244220 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8211197 (or 8211195 counting only the distinct ones).

The product of its (nonzero) digits is 768, while the sum is 20.

The square root of 3120244220 is about 55859.1462519792. The cubic root of 3120244220 is about 1461.2668400226.

Adding to 3120244220 its reverse (224420213), we get a palindrome (3344664433).

The spelling of 3120244220 in words is "three billion, one hundred twenty million, two hundred forty-four thousand, two hundred twenty".