200010945 has 16 divisors (see below), whose sum is σ = 320411520. Its totient is φ = 106541184.

The previous prime is 200010911. The next prime is 200010947. The reversal of 200010945 is 549010002.

It is not a de Polignac number, because 200010945 - 2⁸ = 200010689 is a prime.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (200010947) 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 15 ways as a sum of consecutive naturals, for example, 5076 + ... + 20634.

It is an arithmetic number, because the mean of its divisors is an integer number (20025720).

Almost surely, 2^200010945 is an apocalyptic number.

It is an amenable number.

200010945 is a deficient number, since it is larger than the sum of its proper divisors (120400575).

200010945 is a wasteful number, since it uses less digits than its factorization.

200010945 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16424.

The product of its (nonzero) digits is 360, while the sum is 21.

The square root of 200010945 is about 14142.5225826229. The cubic root of 200010945 is about 584.8142152394.

Adding to 200010945 its reverse (549010002), we get a palindrome (749020947).

The spelling of 200010945 in words is "two hundred million, ten thousand, nine hundred forty-five".