3120243320 has 32 divisors (see below), whose sum is σ = 7139545200. Its totient is φ = 1226942208.

The previous prime is 3120243241. The next prime is 3120243331. The reversal of 3120243320 is 233420213.

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 = 3120243292 and 3120243301.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 658709 + ... + 663428.

Almost surely, 2^3120243320 is an apocalyptic number.

It is an amenable number.

3120243320 is an abundant number, since it is smaller than the sum of its proper divisors (4019301880).

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

3120243320 is a wasteful number, since it uses less digits than its factorization.

3120243320 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1322207 (or 1322203 counting only the distinct ones).

The product of its (nonzero) digits is 864, while the sum is 20.

The square root of 3120243320 is about 55859.1381960016. The cubic root of 3120243320 is about 1461.2666995272.

Adding to 3120243320 its reverse (233420213), we get a palindrome (3353663533).

The spelling of 3120243320 in words is "three billion, one hundred twenty million, two hundred forty-three thousand, three hundred twenty".