200655 has 48 divisors (see below), whose sum is σ = 436800. Its totient is φ = 84672.

The previous prime is 200639. The next prime is 200657. The reversal of 200655 is 556002.

It is not a de Polignac number, because 200655 - 2⁴ = 200639 is a prime.

It is a zygodrome in base 2.

It is a congruent number.

It is an inconsummate number, since it does not exist a number n which divided by its sum of digits gives 200655.

It is not an unprimeable number, because it can be changed into a prime (200657) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 15429 + ... + 15441.

It is an arithmetic number, because the mean of its divisors is an integer number (9100).

2²⁰⁰⁶⁵⁵ is an apocalyptic number.

200655 is an abundant number, since it is smaller than the sum of its proper divisors (236145).

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

200655 is a wasteful number, since it uses less digits than its factorization.

200655 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 45 (or 28 counting only the distinct ones).

The product of its (nonzero) digits is 300, while the sum is 18.

The square root of 200655 is about 447.9453091617. The cubic root of 200655 is about 58.5441262516.

Adding to 200655 its reverse (556002), we get a palindrome (756657).

The spelling of 200655 in words is "two hundred thousand, six hundred fifty-five".