2120799884 has 24 divisors (see below), whose sum is σ = 4243008000. Its totient is φ = 908612496.

The previous prime is 2120799883. The next prime is 2120799887. The reversal of 2120799884 is 4889970212.

It is not an unprimeable number, because it can be changed into a prime (2120799883) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 87149 + ... + 108795.

It is an arithmetic number, because the mean of its divisors is an integer number (176792000).

Almost surely, 2^2120799884 is an apocalyptic number.

It is an amenable number.

2120799884 is an abundant number, since it is smaller than the sum of its proper divisors (2122208116).

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

2120799884 is a wasteful number, since it uses less digits than its factorization.

2120799884 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 25157 (or 25155 counting only the distinct ones).

The product of its (nonzero) digits is 580608, while the sum is 50.

The square root of 2120799884 is about 46052.1430988830. The cubic root of 2120799884 is about 1284.7932028544.

The spelling of 2120799884 in words is "two billion, one hundred twenty million, seven hundred ninety-nine thousand, eight hundred eighty-four".