204425234505 has 48 divisors (see below), whose sum is σ = 359417710080. Its totient is φ = 107464291200.

The previous prime is 204425234477. The next prime is 204425234513. The reversal of 204425234505 is 505432524402.

204425234505 is a `hidden beast` number, since 20 + 44 + 252 + 345 + 0 + 5 = 666.

It is not a de Polignac number, because 204425234505 - 2¹² = 204425230409 is a prime.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 204425234505.

It is an unprimeable number.

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 47 ways as a sum of consecutive naturals, for example, 24242640 + ... + 24251070.

It is an arithmetic number, because the mean of its divisors is an integer number (7487868960).

Almost surely, 2^204425234505 is an apocalyptic number.

It is an amenable number.

204425234505 is a deficient number, since it is larger than the sum of its proper divisors (154992475575).

204425234505 is a wasteful number, since it uses less digits than its factorization.

204425234505 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16102 (or 16099 counting only the distinct ones).

The product of its (nonzero) digits is 192000, while the sum is 36.

Adding to 204425234505 its reverse (505432524402), we get a palindrome (709857758907).

The spelling of 204425234505 in words is "two hundred four billion, four hundred twenty-five million, two hundred thirty-four thousand, five hundred five".