202899797136 has 45 divisors (see below), whose sum is σ = 567852754521. Its totient is φ = 67631463936.

The previous prime is 202899797123. The next prime is 202899797171. The reversal of 202899797136 is 631797998202.

The square root of 202899797136 is 450444.

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

202899797136 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in only one way, i.e., 85837280400 + 117062516736 = 292980^2 + 342144^2 .

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 8 ways as a sum of consecutive naturals, for example, 5386560 + ... + 5424096.

Almost surely, 2^202899797136 is an apocalyptic number.

202899797136 is the 450444-th square number.

It is an amenable number.

202899797136 is an abundant number, since it is smaller than the sum of its proper divisors (364952957385).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

202899797136 is an frugal number, since it uses more digits than its factorization.

202899797136 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 75088 (or 37542 counting only the distinct ones).

The product of its (nonzero) digits is 20575296, while the sum is 63.

The spelling of 202899797136 in words is "two hundred two billion, eight hundred ninety-nine million, seven hundred ninety-seven thousand, one hundred thirty-six".