204124342426 has 8 divisors (see below), whose sum is σ = 306686004084. Its totient is φ = 101895674400.

The previous prime is 204124342421. The next prime is 204124342427. The reversal of 204124342426 is 624243421402.

It can be written as a sum of positive squares in 2 ways, for example, as 128855871225 + 75268471201 = 358965^2 + 274351^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a junction number, because it is equal to n+sod(n) for n = 204124342391 and 204124342400.

It is not an unprimeable number, because it can be changed into a prime (204124342421) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 83246875 + ... + 83249326.

Almost surely, 2^204124342426 is an apocalyptic number.

204124342426 is a deficient number, since it is larger than the sum of its proper divisors (102561661658).

204124342426 is a wasteful number, since it uses less digits than its factorization.

204124342426 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 166496816.

The product of its (nonzero) digits is 73728, while the sum is 34.

Adding to 204124342426 its reverse (624243421402), we get a palindrome (828367763828).

The spelling of 204124342426 in words is "two hundred four billion, one hundred twenty-four million, three hundred forty-two thousand, four hundred twenty-six".