204220020242 has 16 divisors (see below), whose sum is σ = 368517330240. Its totient is φ = 82916399088.

The previous prime is 204220020187. The next prime is 204220020269. The reversal of 204220020242 is 242020022402.

204220020242 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is an unprimeable number.

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, 383871953 + ... + 383872484.

It is an arithmetic number, because the mean of its divisors is an integer number (23032333140).

Almost surely, 2^204220020242 is an apocalyptic number.

204220020242 is a deficient number, since it is larger than the sum of its proper divisors (164297309998).

204220020242 is a wasteful number, since it uses less digits than its factorization.

204220020242 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 767744465.

The product of its (nonzero) digits is 1024, while the sum is 20.

Adding to 204220020242 its reverse (242020022402), we get a palindrome (446240042644).

The spelling of 204220020242 in words is "two hundred four billion, two hundred twenty million, twenty thousand, two hundred forty-two".