200256 has 56 divisors (see below), whose sum is σ = 609600. Its totient is φ = 56832.

The previous prime is 200237. The next prime is 200257. The reversal of 200256 is 652002.

It is a tau number, because it is divible by the number of its divisors (56).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (200257) by changing a digit.

200256 is an untouchable number, because it is not equal to the sum of proper divisors of any number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1270 + ... + 1418.

2²⁰⁰²⁵⁶ is an apocalyptic number.

It is a pronic number, being equal to 447×448.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 200256, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (304800).

200256 is an abundant number, since it is smaller than the sum of its proper divisors (409344).

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

200256 is a wasteful number, since it uses less digits than its factorization.

200256 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 171 (or 161 counting only the distinct ones).

The product of its (nonzero) digits is 120, while the sum is 15.

The square root of 200256 is about 447.4997206703. The cubic root of 200256 is about 58.5052957438.

Adding to 200256 its reverse (652002), we get a palindrome (852258).

The spelling of 200256 in words is "two hundred thousand, two hundred fifty-six".