2120310320 has 40 divisors (see below), whose sum is σ = 5189184240. Its totient is φ = 803485440.

The previous prime is 2120310319. The next prime is 2120310337. The reversal of 2120310320 is 230130212.

It is a happy number.

It is a tau number, because it is divible by the number of its divisors (40).

It is a junction number, because it is equal to n+sod(n) for n = 2120310295 and 2120310304.

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, 695951 + ... + 698990.

It is an arithmetic number, because the mean of its divisors is an integer number (129729606).

Almost surely, 2^2120310320 is an apocalyptic number.

2120310320 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2120310320 is an abundant number, since it is smaller than the sum of its proper divisors (3068873920).

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

2120310320 is a wasteful number, since it uses less digits than its factorization.

2120310320 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1394973 (or 1394967 counting only the distinct ones).

The product of its (nonzero) digits is 72, while the sum is 14.

The square root of 2120310320 is about 46046.8274694359. The cubic root of 2120310320 is about 1284.6943349840.

Adding to 2120310320 its reverse (230130212), we get a palindrome (2350440532).

The spelling of 2120310320 in words is "two billion, one hundred twenty million, three hundred ten thousand, three hundred twenty".