200009930 has 16 divisors (see below), whose sum is σ = 381195720. Its totient is φ = 75297792.

The previous prime is 200009917. The next prime is 200009951. The reversal of 200009930 is 39900002.

It can be written as a sum of positive squares in 4 ways, for example, as 195077089 + 4932841 = 13967^2 + 2221^2 .

It is a junction number, because it is equal to n+sod(n) for n = 200009896 and 200009905.

It is an unprimeable number.

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, 588095 + ... + 588434.

Almost surely, 2^200009930 is an apocalyptic number.

200009930 is a deficient number, since it is larger than the sum of its proper divisors (181185790).

200009930 is a wasteful number, since it uses less digits than its factorization.

200009930 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1176553.

The product of its (nonzero) digits is 486, while the sum is 23.

The square root of 200009930 is about 14142.4866978902. The cubic root of 200009930 is about 584.8132259811.

Adding to 200009930 its reverse (39900002), we get a palindrome (239909932).

The spelling of 200009930 in words is "two hundred million, nine thousand, nine hundred thirty".