200421110444 has 12 divisors (see below), whose sum is σ = 350740519584. Its totient is φ = 100209533424.

The previous prime is 200421110431. The next prime is 200421110459. The reversal of 200421110444 is 444011124002.

200421110444 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 3 ways as a sum of consecutive naturals, for example, 340202 + ... + 718734.

It is an arithmetic number, because the mean of its divisors is an integer number (29228376632).

Almost surely, 2^200421110444 is an apocalyptic number.

It is an amenable number.

200421110444 is a deficient number, since it is larger than the sum of its proper divisors (150319409140).

200421110444 is a wasteful number, since it uses less digits than its factorization.

200421110444 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 510904 (or 510902 counting only the distinct ones).

The product of its (nonzero) digits is 1024, while the sum is 23.

Adding to 200421110444 its reverse (444011124002), we get a palindrome (644432234446).

The spelling of 200421110444 in words is "two hundred billion, four hundred twenty-one million, one hundred ten thousand, four hundred forty-four".