204004200443 has 12 divisors (see below), whose sum is σ = 209735546832. Its totient is φ = 198425535840.

The previous prime is 204004200437. The next prime is 204004200451. The reversal of 204004200443 is 344002400402.

It is not a de Polignac number, because 204004200443 - 2⁴ = 204004200427 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (204054200443) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 4455221 + ... + 4500777.

It is an arithmetic number, because the mean of its divisors is an integer number (17477962236).

Almost surely, 2^204004200443 is an apocalyptic number.

204004200443 is a deficient number, since it is larger than the sum of its proper divisors (5731346389).

204004200443 is an equidigital number, since it uses as much as digits as its factorization.

204004200443 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 48902 (or 48865 counting only the distinct ones).

The product of its (nonzero) digits is 3072, while the sum is 23.

Adding to 204004200443 its reverse (344002400402), we get a palindrome (548006600845).

The spelling of 204004200443 in words is "two hundred four billion, four million, two hundred thousand, four hundred forty-three".