2091113320 has 16 divisors (see below), whose sum is σ = 4705005060. Its totient is φ = 836445312.

The previous prime is 2091113281. The next prime is 2091113329. The reversal of 2091113320 is 233111902.

It can be written as a sum of positive squares in 2 ways, for example, as 1684445764 + 406667556 = 41042^2 + 20166^2 .

It is a junction number, because it is equal to n+sod(n) for n = 2091113291 and 2091113300.

It is not an unprimeable number, because it can be changed into a prime (2091113329) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 26138877 + ... + 26138956.

Almost surely, 2^2091113320 is an apocalyptic number.

2091113320 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2091113320 is an abundant number, since it is smaller than the sum of its proper divisors (2613891740).

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

2091113320 is a wasteful number, since it uses less digits than its factorization.

2091113320 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 52277844 (or 52277840 counting only the distinct ones).

The product of its (nonzero) digits is 324, while the sum is 22.

The square root of 2091113320 is about 45728.6925244971. The cubic root of 2091113320 is about 1278.7702463074.

The spelling of 2091113320 in words is "two billion, ninety-one million, one hundred thirteen thousand, three hundred twenty".