200240985 has 32 divisors (see below), whose sum is σ = 372372480. Its totient is φ = 89984448.

The previous prime is 200240983. The next prime is 200240987. The reversal of 200240985 is 589042002.

It is an interprime number because it is at equal distance from previous prime (200240983) and next prime (200240987).

It is not a de Polignac number, because 200240985 - 2¹ = 200240983 is a prime.

It is not an unprimeable number, because it can be changed into a prime (200240983) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 9967 + ... + 22356.

It is an arithmetic number, because the mean of its divisors is an integer number (11636640).

Almost surely, 2^200240985 is an apocalyptic number.

It is an amenable number.

200240985 is a deficient number, since it is larger than the sum of its proper divisors (172131495).

200240985 is a wasteful number, since it uses less digits than its factorization.

200240985 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 32397.

The product of its (nonzero) digits is 5760, while the sum is 30.

The square root of 200240985 is about 14150.6531651369. The cubic root of 200240985 is about 585.0383348390.

Adding to 200240985 its reverse (589042002), we get a palindrome (789282987).

The spelling of 200240985 in words is "two hundred million, two hundred forty thousand, nine hundred eighty-five".