200856560 has 20 divisors (see below), whose sum is σ = 466991688. Its totient is φ = 80342592.

The previous prime is 200856559. The next prime is 200856563. The reversal of 200856560 is 65658002.

It is a happy number.

It is a tau number, because it is divible by the number of its divisors (20).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (200856563) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1255274 + ... + 1255433.

Almost surely, 2^200856560 is an apocalyptic number.

200856560 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

200856560 is an abundant number, since it is smaller than the sum of its proper divisors (266135128).

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

200856560 is a wasteful number, since it uses less digits than its factorization.

200856560 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2510720 (or 2510714 counting only the distinct ones).

The product of its (nonzero) digits is 14400, while the sum is 32.

The square root of 200856560 is about 14172.3872371594. The cubic root of 200856560 is about 585.6372241609.

The spelling of 200856560 in words is "two hundred million, eight hundred fifty-six thousand, five hundred sixty".