204534422105 has 32 divisors (see below), whose sum is σ = 270058973184. Its totient is φ = 147764906496.

The previous prime is 204534422087. The next prime is 204534422117. The reversal of 204534422105 is 501224435402.

It is a cyclic number.

It is not a de Polignac number, because 204534422105 - 2¹⁸ = 204534159961 is a prime.

It is an unprimeable number.

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 31 ways as a sum of consecutive naturals, for example, 7982144 + ... + 8007726.

It is an arithmetic number, because the mean of its divisors is an integer number (8439342912).

Almost surely, 2^204534422105 is an apocalyptic number.

It is an amenable number.

204534422105 is a deficient number, since it is larger than the sum of its proper divisors (65524551079).

204534422105 is a wasteful number, since it uses less digits than its factorization.

204534422105 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 28265.

The product of its (nonzero) digits is 38400, while the sum is 32.

Adding to 204534422105 its reverse (501224435402), we get a palindrome (705758857507).

The spelling of 204534422105 in words is "two hundred four billion, five hundred thirty-four million, four hundred twenty-two thousand, one hundred five".