2120023320 has 64 divisors (see below), whose sum is σ = 6480090720. Its totient is φ = 554671104.

The previous prime is 2120023309. The next prime is 2120023391. The reversal of 2120023320 is 233200212.

It is a Harshad number since it is a multiple of its sum of digits (15).

2120023320 is a modest number, since divided by 23320 gives 2120 as remainder.

It is a self number, because there is not a number n which added to its sum of digits gives 2120023320.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 160309 + ... + 173028.

Almost surely, 2^2120023320 is an apocalyptic number.

2120023320 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2120023320 is an abundant number, since it is smaller than the sum of its proper divisors (4360067400).

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

2120023320 is a wasteful number, since it uses less digits than its factorization.

2120023320 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 333404 (or 333400 counting only the distinct ones).

The product of its (nonzero) digits is 144, while the sum is 15.

The square root of 2120023320 is about 46043.7109712065. The cubic root of 2120023320 is about 1284.6363680113.

Adding to 2120023320 its reverse (233200212), we get a palindrome (2353223532).

The spelling of 2120023320 in words is "two billion, one hundred twenty million, twenty-three thousand, three hundred twenty".