2120323311320 has 16 divisors (see below), whose sum is σ = 4770727450560. Its totient is φ = 848129324512.

The previous prime is 2120323311319. The next prime is 2120323311341. The reversal of 2120323311320 is 231133230212.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 26504041352 + ... + 26504041431.

It is an arithmetic number, because the mean of its divisors is an integer number (298170465660).

Almost surely, 2^{2120323311320} is an apocalyptic number.

2120323311320 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2120323311320 is an abundant number, since it is smaller than the sum of its proper divisors (2650404139240).

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

2120323311320 is a wasteful number, since it uses less digits than its factorization.

2120323311320 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 53008082794 (or 53008082790 counting only the distinct ones).

The product of its (nonzero) digits is 1296, while the sum is 23.

Adding to 2120323311320 its reverse (231133230212), we get a palindrome (2351456541532).

The spelling of 2120323311320 in words is "two trillion, one hundred twenty billion, three hundred twenty-three million, three hundred eleven thousand, three hundred twenty".