204042122134430 has 32 divisors (see below), whose sum is σ = 380461112428320. Its totient is φ = 78731517652480.

The previous prime is 204042122134429. The next prime is 204042122134447. The reversal of 204042122134430 is 34431221240402.

It is a happy number.

It is a congruent number.

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 15 ways as a sum of consecutive naturals, for example, 2795827064 + ... + 2795900043.

It is an arithmetic number, because the mean of its divisors is an integer number (11889409763385).

Almost surely, 2^{204042122134430} is an apocalyptic number.

204042122134430 is a deficient number, since it is larger than the sum of its proper divisors (176418990293890).

204042122134430 is a wasteful number, since it uses less digits than its factorization.

204042122134430 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5591727244.

The product of its (nonzero) digits is 36864, while the sum is 32.

Adding to 204042122134430 its reverse (34431221240402), we get a palindrome (238473343374832).

The spelling of 204042122134430 in words is "two hundred four trillion, forty-two billion, one hundred twenty-two million, one hundred thirty-four thousand, four hundred thirty".