3120020232320 has 32 divisors (see below), whose sum is σ = 7458798369420. Its totient is φ = 1248008092672.

The previous prime is 3120020232299. The next prime is 3120020232323. The reversal of 3120020232320 is 232320200213.

It can be written as a sum of positive squares in 2 ways, for example, as 3118275666496 + 1744565824 = 1765864^2 + 41768^2 .

It is a tau number, because it is divible by the number of its divisors (32).

It is a super-2 number, since 2×3120020232320² (a number of 26 digits) contains 22 as substring.

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 = 3120020232292 and 3120020232301.

It is not an unprimeable number, because it can be changed into a prime (3120020232323) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2437515167 + ... + 2437516446.

Almost surely, 2^{3120020232320} is an apocalyptic number.

It is an amenable number.

3120020232320 is an abundant number, since it is smaller than the sum of its proper divisors (4338778137100).

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

3120020232320 is an equidigital number, since it uses as much as digits as its factorization.

3120020232320 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4875031632 (or 4875031620 counting only the distinct ones).

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

Adding to 3120020232320 its reverse (232320200213), we get a palindrome (3352340432533).

The spelling of 3120020232320 in words is "three trillion, one hundred twenty billion, twenty million, two hundred thirty-two thousand, three hundred twenty".