2120868204 has 72 divisors (see below), whose sum is σ = 6124204800. Its totient is φ = 559346112.

The previous prime is 2120868187. The next prime is 2120868229. The reversal of 2120868204 is 4028680212.

It is a happy number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 60504 + ... + 88895.

It is an arithmetic number, because the mean of its divisors is an integer number (85058400).

Almost surely, 2^2120868204 is an apocalyptic number.

It is an amenable number.

2120868204 is an abundant number, since it is smaller than the sum of its proper divisors (4003336596).

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

2120868204 is a wasteful number, since it uses less digits than its factorization.

2120868204 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 149439 (or 149424 counting only the distinct ones).

The product of its (nonzero) digits is 12288, while the sum is 33.

The square root of 2120868204 is about 46052.8848607772. The cubic root of 2120868204 is about 1284.8069989272.

The spelling of 2120868204 in words is "two billion, one hundred twenty million, eight hundred sixty-eight thousand, two hundred four".