200641964 has 6 divisors (see below), whose sum is σ = 351123444. Its totient is φ = 100320980.

The previous prime is 200641943. The next prime is 200641997. The reversal of 200641964 is 469146002.

It is a happy number.

It is a self number, because there is not a number n which added to its sum of digits gives 200641964.

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 as a sum of consecutive naturals, namely, 25080242 + ... + 25080249.

It is an arithmetic number, because the mean of its divisors is an integer number (58520574).

Almost surely, 2^200641964 is an apocalyptic number.

It is an amenable number.

200641964 is a deficient number, since it is larger than the sum of its proper divisors (150481480).

200641964 is a wasteful number, since it uses less digits than its factorization.

200641964 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 50160495 (or 50160493 counting only the distinct ones).

The product of its (nonzero) digits is 10368, while the sum is 32.

The square root of 200641964 is about 14164.8142945822. The cubic root of 200641964 is about 585.4285840751.

Adding to 200641964 its reverse (469146002), we get a palindrome (669787966).

The spelling of 200641964 in words is "two hundred million, six hundred forty-one thousand, nine hundred sixty-four".