200207890 has 16 divisors (see below), whose sum is σ = 360745560. Its totient is φ = 80000640.

The previous prime is 200207881. The next prime is 200207899. The reversal of 200207890 is 98702002.

It is an interprime number because it is at equal distance from previous prime (200207881) and next prime (200207899).

It can be written as a sum of positive squares in 4 ways, for example, as 199685161 + 522729 = 14131^2 + 723^2 .

It is not an unprimeable number, because it can be changed into a prime (200207899) 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 7 ways as a sum of consecutive naturals, for example, 406 + ... + 20014.

Almost surely, 2^200207890 is an apocalyptic number.

200207890 is a deficient number, since it is larger than the sum of its proper divisors (160537670).

200207890 is a wasteful number, since it uses less digits than its factorization.

200207890 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 20637.

The product of its (nonzero) digits is 2016, while the sum is 28.

The square root of 200207890 is about 14149.4837361651. The cubic root of 200207890 is about 585.0061021595.

Adding to 200207890 its reverse (98702002), we get a palindrome (298909892).

The spelling of 200207890 in words is "two hundred million, two hundred seven thousand, eight hundred ninety".