204122202542 has 16 divisors (see below), whose sum is σ = 329155626240. Its totient is φ = 94632240888.

The previous prime is 204122202541. The next prime is 204122202547. The reversal of 204122202542 is 245202221402.

It is a happy number.

204122202542 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (204122202541) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 57143288 + ... + 57146859.

It is an arithmetic number, because the mean of its divisors is an integer number (20572226640).

Almost surely, 2^204122202542 is an apocalyptic number.

204122202542 is a deficient number, since it is larger than the sum of its proper divisors (125033423698).

204122202542 is a wasteful number, since it uses less digits than its factorization.

204122202542 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 114290215.

The product of its (nonzero) digits is 5120, while the sum is 26.

Adding to 204122202542 its reverse (245202221402), we get a palindrome (449324423944).

The spelling of 204122202542 in words is "two hundred four billion, one hundred twenty-two million, two hundred two thousand, five hundred forty-two".