2100288870 has 24 divisors (see below), whose sum is σ = 5460751296. Its totient is φ = 560077008.

The previous prime is 2100288847. The next prime is 2100288871. The reversal of 2100288870 is 788820012.

It is a super-2 number, since 2×2100288870² = 8822426674891753800, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2100288871) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 11668182 + ... + 11668361.

It is an arithmetic number, because the mean of its divisors is an integer number (227531304).

Almost surely, 2^2100288870 is an apocalyptic number.

2100288870 is an abundant number, since it is smaller than the sum of its proper divisors (3360462426).

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

2100288870 is a wasteful number, since it uses less digits than its factorization.

2100288870 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 23336556 (or 23336553 counting only the distinct ones).

The product of its (nonzero) digits is 14336, while the sum is 36.

The square root of 2100288870 is about 45828.9086712743. The cubic root of 2100288870 is about 1280.6378798991.

The spelling of 2100288870 in words is "two billion, one hundred million, two hundred eighty-eight thousand, eight hundred seventy".