204213265263 has 40 divisors (see below), whose sum is σ = 348836053632. Its totient is φ = 116627414544.

The previous prime is 204213265253. The next prime is 204213265279. The reversal of 204213265263 is 362562312402.

204213265263 is a `hidden beast` number, since 204 + 2 + 132 + 65 + 263 = 666.

It is not a de Polignac number, because 204213265263 - 2¹³ = 204213257071 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (204213265253) by changing a digit.

It is a polite number, since it can be written in 39 ways as a sum of consecutive naturals, for example, 912456 + ... + 1114002.

Almost surely, 2^204213265263 is an apocalyptic number.

204213265263 is a deficient number, since it is larger than the sum of its proper divisors (144622788369).

204213265263 is a wasteful number, since it uses less digits than its factorization.

204213265263 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 203353 (or 203344 counting only the distinct ones).

The product of its (nonzero) digits is 103680, while the sum is 36.

Adding to 204213265263 its reverse (362562312402), we get a palindrome (566775577665).

The spelling of 204213265263 in words is "two hundred four billion, two hundred thirteen million, two hundred sixty-five thousand, two hundred sixty-three".