200542887 has 12 divisors (see below), whose sum is σ = 292332040. Its totient is φ = 132468048.

The previous prime is 200542883. The next prime is 200542919. The reversal of 200542887 is 788245002.

It is a happy number.

It is not a de Polignac number, because 200542887 - 2² = 200542883 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (200542883) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 101233 + ... + 103194.

Almost surely, 2^200542887 is an apocalyptic number.

200542887 is a deficient number, since it is larger than the sum of its proper divisors (91789153).

200542887 is a wasteful number, since it uses less digits than its factorization.

200542887 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 204542 (or 204539 counting only the distinct ones).

The product of its (nonzero) digits is 35840, while the sum is 36.

The square root of 200542887 is about 14161.3165701498. The cubic root of 200542887 is about 585.3322066665.

Adding to 200542887 its reverse (788245002), we get a palindrome (988787889).

The spelling of 200542887 in words is "two hundred million, five hundred forty-two thousand, eight hundred eighty-seven".