204400022042 has 8 divisors (see below), whose sum is σ = 306668286036. Its totient is φ = 102177260032.

The previous prime is 204400022041. The next prime is 204400022051. The reversal of 204400022042 is 240220004402.

204400022042 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 2 ways, for example, as 110689955401 + 93710066641 = 332701^2 + 306121^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is not an unprimeable number, because it can be changed into a prime (204400022041) 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 3 ways as a sum of consecutive naturals, for example, 11364263 + ... + 11382234.

Almost surely, 2^204400022042 is an apocalyptic number.

204400022042 is a deficient number, since it is larger than the sum of its proper divisors (102268263994).

204400022042 is a wasteful number, since it uses less digits than its factorization.

204400022042 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 22750992.

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

Adding to 204400022042 its reverse (240220004402), we get a palindrome (444620026444).

The spelling of 204400022042 in words is "two hundred four billion, four hundred million, twenty-two thousand, forty-two".