2113198620 has 96 divisors (see below), whose sum is σ = 6707527680. Its totient is φ = 492791040.

The previous prime is 2113198567. The next prime is 2113198627. The reversal of 2113198620 is 268913112.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2113198627) 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 31 ways as a sum of consecutive naturals, for example, 56476 + ... + 86115.

It is an arithmetic number, because the mean of its divisors is an integer number (69870080).

Almost surely, 2^2113198620 is an apocalyptic number.

2113198620 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2113198620 is an abundant number, since it is smaller than the sum of its proper divisors (4594329060).

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

2113198620 is a wasteful number, since it uses less digits than its factorization.

2113198620 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 142635 (or 142633 counting only the distinct ones).

The product of its (nonzero) digits is 5184, while the sum is 33.

The square root of 2113198620 is about 45969.5401325704. The cubic root of 2113198620 is about 1283.2564016775.

The spelling of 2113198620 in words is "two billion, one hundred thirteen million, one hundred ninety-eight thousand, six hundred twenty".