2113440020 has 24 divisors (see below), whose sum is σ = 4473176064. Its totient is φ = 838718496.

The previous prime is 2113440011. The next prime is 2113440041. The reversal of 2113440020 is 200443112.

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, 413492 + ... + 418571.

It is an arithmetic number, because the mean of its divisors is an integer number (186382336).

Almost surely, 2^2113440020 is an apocalyptic number.

2113440020 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2113440020 is an abundant number, since it is smaller than the sum of its proper divisors (2359736044).

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

2113440020 is a wasteful number, since it uses less digits than its factorization.

2113440020 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 832199 (or 832197 counting only the distinct ones).

The product of its (nonzero) digits is 192, while the sum is 17.

The square root of 2113440020 is about 45972.1657092637. The cubic root of 2113440020 is about 1283.3052638301.

Adding to 2113440020 its reverse (200443112), we get a palindrome (2313883132).

The spelling of 2113440020 in words is "two billion, one hundred thirteen million, four hundred forty thousand, twenty".