204555343316252 has 12 divisors (see below), whose sum is σ = 357971956285776. Its totient is φ = 102277641520320.

The previous prime is 204555343316237. The next prime is 204555343316281. The reversal of 204555343316252 is 252613343555402.

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 204555343316252.

It is a congruent number.

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 3 ways as a sum of consecutive naturals, for example, 15693977 + ... + 25601007.

It is an arithmetic number, because the mean of its divisors is an integer number (29830996357148).

Almost surely, 2^{204555343316252} is an apocalyptic number.

It is an amenable number.

204555343316252 is a deficient number, since it is larger than the sum of its proper divisors (153416612969524).

204555343316252 is a wasteful number, since it uses less digits than its factorization.

204555343316252 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15068908 (or 15068906 counting only the distinct ones).

The product of its (nonzero) digits is 12960000, while the sum is 50.

The spelling of 204555343316252 in words is "two hundred four trillion, five hundred fifty-five billion, three hundred forty-three million, three hundred sixteen thousand, two hundred fifty-two".