2113200240 has 80 divisors (see below), whose sum is σ = 6728000928. Its totient is φ = 548287488.

The previous prime is 2113200223. The next prime is 2113200241. The reversal of 2113200240 is 420023112.

It is a tau number, because it is divible by the number of its divisors (80).

It is a Harshad number since it is a multiple of its sum of digits (15).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2113200241) 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 15 ways as a sum of consecutive naturals, for example, 110107 + ... + 127866.

Almost surely, 2^2113200240 is an apocalyptic number.

2113200240 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2113200240 is an abundant number, since it is smaller than the sum of its proper divisors (4614800688).

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

2113200240 is a wasteful number, since it uses less digits than its factorization.

2113200240 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 238026 (or 238020 counting only the distinct ones).

The product of its (nonzero) digits is 96, while the sum is 15.

The square root of 2113200240 is about 45969.5577529304. The cubic root of 2113200240 is about 1283.2567295967.

Adding to 2113200240 its reverse (420023112), we get a palindrome (2533223352).

The spelling of 2113200240 in words is "two billion, one hundred thirteen million, two hundred thousand, two hundred forty".