2180200056 has 32 divisors (see below), whose sum is σ = 5472230400. Its totient is φ = 723836000.

The previous prime is 2180200031. The next prime is 2180200069. The reversal of 2180200056 is 6500020812.

2180200056 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a Harshad number since it is a multiple of its sum of digits (24).

It is a junction number, because it is equal to n+sod(n) for n = 2180199999 and 2180200035.

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, 174936 + ... + 186983.

It is an arithmetic number, because the mean of its divisors is an integer number (171007200).

Almost surely, 2^2180200056 is an apocalyptic number.

It is an amenable number.

2180200056 is an abundant number, since it is smaller than the sum of its proper divisors (3292030344).

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

2180200056 is a wasteful number, since it uses less digits than its factorization.

2180200056 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 362179 (or 362175 counting only the distinct ones).

The product of its (nonzero) digits is 960, while the sum is 24.

The square root of 2180200056 is about 46692.6124349452. The cubic root of 2180200056 is about 1296.6779194097.

Adding to 2180200056 its reverse (6500020812), we get a palindrome (8680220868).

The spelling of 2180200056 in words is "two billion, one hundred eighty million, two hundred thousand, fifty-six".