200543556 has 48 divisors (see below), whose sum is σ = 499352000. Its totient is φ = 62456832.

The previous prime is 200543527. The next prime is 200543561. The reversal of 200543556 is 655345002.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 10620 + ... + 22668.

Almost surely, 2^200543556 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 200543556, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (249676000).

200543556 is an abundant number, since it is smaller than the sum of its proper divisors (298808444).

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

200543556 is a wasteful number, since it uses less digits than its factorization.

200543556 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12148 (or 12146 counting only the distinct ones).

The product of its (nonzero) digits is 18000, while the sum is 30.

The square root of 200543556 is about 14161.3401908153. The cubic root of 200543556 is about 585.3328575444.

Adding to 200543556 its reverse (655345002), we get a palindrome (855888558).

The spelling of 200543556 in words is "two hundred million, five hundred forty-three thousand, five hundred fifty-six".