200001836564 has 6 divisors (see below), whose sum is σ = 350003213994. Its totient is φ = 100000918280.

The previous prime is 200001836561. The next prime is 200001836599. The reversal of 200001836564 is 465638100002.

It can be written as a sum of positive squares in only one way, i.e., 138815856400 + 61185980164 = 372580^2 + 247358^2 .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (200001836561) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 25000229567 + ... + 25000229574.

It is an arithmetic number, because the mean of its divisors is an integer number (58333868999).

Almost surely, 2^200001836564 is an apocalyptic number.

It is an amenable number.

200001836564 is a deficient number, since it is larger than the sum of its proper divisors (150001377430).

200001836564 is a wasteful number, since it uses less digits than its factorization.

200001836564 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 50000459145 (or 50000459143 counting only the distinct ones).

The product of its (nonzero) digits is 34560, while the sum is 35.

Adding to 200001836564 its reverse (465638100002), we get a palindrome (665639936566).

The spelling of 200001836564 in words is "two hundred billion, one million, eight hundred thirty-six thousand, five hundred sixty-four".