2105870080 has 36 divisors (see below), whose sum is σ = 5044219992. Its totient is φ = 842347520.

The previous prime is 2105869993. The next prime is 2105870113. The reversal of 2105870080 is 800785012.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 821326 + ... + 823885.

It is an arithmetic number, because the mean of its divisors is an integer number (140117222).

Almost surely, 2^2105870080 is an apocalyptic number.

2105870080 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2105870080 is an abundant number, since it is smaller than the sum of its proper divisors (2938349912).

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

2105870080 is an equidigital number, since it uses as much as digits as its factorization.

2105870080 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1645232 (or 1645218 counting only the distinct ones).

The product of its (nonzero) digits is 4480, while the sum is 31.

The square root of 2105870080 is about 45889.7600778213. The cubic root of 2105870080 is about 1281.7712457615.

The spelling of 2105870080 in words is "two billion, one hundred five million, eight hundred seventy thousand, eighty".