200513642042650 has 24 divisors (see below), whose sum is σ = 372965431167900. Its totient is φ = 80203294028160.

The previous prime is 200513642042647. The next prime is 200513642042723. The reversal of 200513642042650 is 56240246315002.

It is a happy number.

It can be written as a sum of positive squares in 6 ways, for example, as 102813049664329 + 97700592378321 = 10139677^2 + 9884361^2 .

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 52196325 + ... + 55906024.

Almost surely, 2^{200513642042650} is an apocalyptic number.

200513642042650 is a deficient number, since it is larger than the sum of its proper divisors (172451789125250).

200513642042650 is a wasteful number, since it uses less digits than its factorization.

200513642042650 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 108139458 (or 108139453 counting only the distinct ones).

The product of its (nonzero) digits is 345600, while the sum is 40.

Adding to 200513642042650 its reverse (56240246315002), we get a palindrome (256753888357652).

The spelling of 200513642042650 in words is "two hundred trillion, five hundred thirteen billion, six hundred forty-two million, forty-two thousand, six hundred fifty".