2011116020 has 24 divisors (see below), whose sum is σ = 4321562784. Its totient is φ = 785738016.

The previous prime is 2011116007. The next prime is 2011116043. The reversal of 2011116020 is 206111102.

It is a junction number, because it is equal to n+sod(n) for n = 2011115986 and 2011116004.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1168394 + ... + 1170113.

It is an arithmetic number, because the mean of its divisors is an integer number (180065116).

Almost surely, 2^2011116020 is an apocalyptic number.

2011116020 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2011116020 is an abundant number, since it is smaller than the sum of its proper divisors (2310446764).

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

2011116020 is a wasteful number, since it uses less digits than its factorization.

2011116020 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2338559 (or 2338557 counting only the distinct ones).

The product of its (nonzero) digits is 24, while the sum is 14.

The square root of 2011116020 is about 44845.4682214379. The cubic root of 2011116020 is about 1262.2509565948.

Adding to 2011116020 its reverse (206111102), we get a palindrome (2217227122).

The spelling of 2011116020 in words is "two billion, eleven million, one hundred sixteen thousand, twenty".