204446442242 has 16 divisors (see below), whose sum is σ = 350580094272. Its totient is φ = 87594784080.

The previous prime is 204446442199. The next prime is 204446442259. The reversal of 204446442242 is 242244644402.

204446442242 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a super-2 number, since 2×204446442242² (a number of 23 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 204446442196 and 204446442205.

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, 2042693 + ... + 2140440.

It is an arithmetic number, because the mean of its divisors is an integer number (21911255892).

Almost surely, 2^204446442242 is an apocalyptic number.

204446442242 is a deficient number, since it is larger than the sum of its proper divisors (146133652030).

204446442242 is a wasteful number, since it uses less digits than its factorization.

204446442242 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4186633.

The product of its (nonzero) digits is 393216, while the sum is 38.

The spelling of 204446442242 in words is "two hundred four billion, four hundred forty-six million, four hundred forty-two thousand, two hundred forty-two".