200755 has 4 divisors (see below), whose sum is σ = 240912. Its totient is φ = 160600.

The previous prime is 200731. The next prime is 200771. The reversal of 200755 is 557002.

It is a happy number.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 557002 = 2 ⋅278501.

It is not a de Polignac number, because 200755 - 2⁵ = 200723 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 20071 + ... + 20080.

It is an arithmetic number, because the mean of its divisors is an integer number (60228).

2²⁰⁰⁷⁵⁵ is an apocalyptic number.

200755 is a deficient number, since it is larger than the sum of its proper divisors (40157).

200755 is an equidigital number, since it uses as much as digits as its factorization.

200755 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 40156.

The product of its (nonzero) digits is 350, while the sum is 19.

The square root of 200755 is about 448.0569160274. The cubic root of 200755 is about 58.5538501398.

Adding to 200755 its reverse (557002), we get a palindrome (757757).

The spelling of 200755 in words is "two hundred thousand, seven hundred fifty-five".