200542856 has 24 divisors (see below), whose sum is σ = 378556830. Its totient is φ = 99597888.

The previous prime is 200542817. The next prime is 200542871. The reversal of 200542856 is 658245002.

It can be written as a sum of positive squares in only one way, i.e., 200222500 + 320356 = 14150^2 + 566^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 640556 + ... + 640868.

Almost surely, 2^200542856 is an apocalyptic number.

It is an amenable number.

200542856 is a deficient number, since it is larger than the sum of its proper divisors (178013974).

200542856 is an equidigital number, since it uses as much as digits as its factorization.

200542856 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 885 (or 598 counting only the distinct ones).

The product of its (nonzero) digits is 19200, while the sum is 32.

The square root of 200542856 is about 14161.3154756188. The cubic root of 200542856 is about 585.3321765062.

Adding to 200542856 its reverse (658245002), we get a palindrome (858787858).

The spelling of 200542856 in words is "two hundred million, five hundred forty-two thousand, eight hundred fifty-six".