200530213636 has 9 divisors (see below), whose sum is σ = 350929441191. Its totient is φ = 100264659012.

The previous prime is 200530213633. The next prime is 200530213669. The reversal of 200530213636 is 636312035002.

It is a happy number.

The square root of 200530213636 is 447806.

It is a perfect power (a square), and thus also a powerful number.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 200530213598 and 200530213607.

It is not an unprimeable number, because it can be changed into a prime (200530213633) by changing a digit.

It is a polite number, since it can be written in 2 ways as a sum of consecutive naturals, for example, 783661 + ... + 1007563.

Almost surely, 2^200530213636 is an apocalyptic number.

200530213636 is the 447806-th square number.

It is an amenable number.

200530213636 is a deficient number, since it is larger than the sum of its proper divisors (150399227555).

200530213636 is an frugal number, since it uses more digits than its factorization.

200530213636 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 447810 (or 223905 counting only the distinct ones).

The product of its (nonzero) digits is 19440, while the sum is 31.

Adding to 200530213636 its reverse (636312035002), we get a palindrome (836842248638).

The spelling of 200530213636 in words is "two hundred billion, five hundred thirty million, two hundred thirteen thousand, six hundred thirty-six".