215550000200 has 48 divisors (see below), whose sum is σ = 501288540480. Its totient is φ = 86196810560.

The previous prime is 215550000161. The next prime is 215550000233. The reversal of 215550000200 is 2000055512.

It is a Harshad number since it is a multiple of its sum of digits (20).

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 610349 + ... + 896451.

It is an arithmetic number, because the mean of its divisors is an integer number (10443511260).

Almost surely, 2^215550000200 is an apocalyptic number.

215550000200 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

215550000200 is an abundant number, since it is smaller than the sum of its proper divisors (285738540280).

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

215550000200 is a wasteful number, since it uses less digits than its factorization.

215550000200 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 289886 (or 289877 counting only the distinct ones).

The product of its (nonzero) digits is 500, while the sum is 20.

Adding to 215550000200 its reverse (2000055512), we get a palindrome (217550055712).

The spelling of 215550000200 in words is "two hundred fifteen billion, five hundred fifty million, two hundred", and thus it is an aban number.