204052420330343 has 16 divisors (see below), whose sum is σ = 221354172488736. Its totient is φ = 186980030238720.

The previous prime is 204052420330313. The next prime is 204052420330349. The reversal of 204052420330343 is 343033024250402.

It is a cyclic number.

It is not a de Polignac number, because 204052420330343 - 2⁶ = 204052420330279 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (204052420330349) by changing a digit.

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 15 ways as a sum of consecutive naturals, for example, 409525280 + ... + 410023242.

It is an arithmetic number, because the mean of its divisors is an integer number (13834635780546).

Almost surely, 2^{204052420330343} is an apocalyptic number.

204052420330343 is a deficient number, since it is larger than the sum of its proper divisors (17301752158393).

204052420330343 is a wasteful number, since it uses less digits than its factorization.

204052420330343 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 728194.

The product of its (nonzero) digits is 207360, while the sum is 35.

Adding to 204052420330343 its reverse (343033024250402), we get a palindrome (547085444580745).

The spelling of 204052420330343 in words is "two hundred four trillion, fifty-two billion, four hundred twenty million, three hundred thirty thousand, three hundred forty-three".