204243024024243 has 24 divisors (see below), whose sum is σ = 303960152583360. Its totient is φ = 132073124192640.

The previous prime is 204243024024211. The next prime is 204243024024251. The reversal of 204243024024243 is 342420420342402.

204243024024243 is a `hidden beast` number, since 2 + 0 + 4 + 2 + 4 + 3 + 0 + 2 + 402 + 4 + 243 = 666.

It is not a de Polignac number, because 204243024024243 - 2⁵ = 204243024024211 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 204243024024198 and 204243024024207.

It is not an unprimeable number, because it can be changed into a prime (204243024024283) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 1599659083 + ... + 1599786756.

It is an arithmetic number, because the mean of its divisors is an integer number (12665006357640).

Almost surely, 2^{204243024024243} is an apocalyptic number.

204243024024243 is a deficient number, since it is larger than the sum of its proper divisors (99717128559117).

204243024024243 is a wasteful number, since it uses less digits than its factorization.

204243024024243 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3199446059 (or 3199446056 counting only the distinct ones).

The product of its (nonzero) digits is 294912, while the sum is 36.

Adding to 204243024024243 its reverse (342420420342402), we get a palindrome (546663444366645).

The spelling of 204243024024243 in words is "two hundred four trillion, two hundred forty-three billion, twenty-four million, twenty-four thousand, two hundred forty-three".