2131160020 has 24 divisors (see below), whose sum is σ = 4882294368. Its totient is φ = 774967200.

The previous prime is 2131159993. The next prime is 2131160021. The reversal of 2131160020 is 200611312.

It is a junction number, because it is equal to n+sod(n) for n = 2131159976 and 2131160003.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2131160021) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4843326 + ... + 4843765.

It is an arithmetic number, because the mean of its divisors is an integer number (203428932).

Almost surely, 2^2131160020 is an apocalyptic number.

2131160020 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2131160020 is an abundant number, since it is smaller than the sum of its proper divisors (2751134348).

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

2131160020 is a wasteful number, since it uses less digits than its factorization.

2131160020 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9687111 (or 9687109 counting only the distinct ones).

The product of its (nonzero) digits is 72, while the sum is 16.

The square root of 2131160020 is about 46164.4887332244. The cubic root of 2131160020 is about 1286.8818828281.

Adding to 2131160020 its reverse (200611312), we get a palindrome (2331771332).

The spelling of 2131160020 in words is "two billion, one hundred thirty-one million, one hundred sixty thousand, twenty".