2113020988 has 24 divisors (see below), whose sum is σ = 3998917440. Its totient is φ = 971154240.

The previous prime is 2113020983. The next prime is 2113020991. The reversal of 2113020988 is 8890203112.

It is a super-2 number, since 2×2113020988² = 8929715391456992288, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2113020983) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 72583 + ... + 97438.

It is an arithmetic number, because the mean of its divisors is an integer number (166621560).

Almost surely, 2^2113020988 is an apocalyptic number.

It is an amenable number.

2113020988 is a deficient number, since it is larger than the sum of its proper divisors (1885896452).

2113020988 is a wasteful number, since it uses less digits than its factorization.

2113020988 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 170277 (or 170275 counting only the distinct ones).

The product of its (nonzero) digits is 6912, while the sum is 34.

The square root of 2113020988 is about 45967.6080300030. The cubic root of 2113020988 is about 1283.2204445292.

The spelling of 2113020988 in words is "two billion, one hundred thirteen million, twenty thousand, nine hundred eighty-eight".