204021003203 has 16 divisors (see below), whose sum is σ = 223391968800. Its totient is φ = 185586992640.

The previous prime is 204021003191. The next prime is 204021003281. The reversal of 204021003203 is 302300120402.

204021003203 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a cyclic number.

It is not a de Polignac number, because 204021003203 - 2⁴ = 204021003187 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (204021003283) 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 15 ways as a sum of consecutive naturals, for example, 923126 + ... + 1122587.

It is an arithmetic number, because the mean of its divisors is an integer number (13961998050).

Almost surely, 2^204021003203 is an apocalyptic number.

204021003203 is a deficient number, since it is larger than the sum of its proper divisors (19370965597).

204021003203 is a wasteful number, since it uses less digits than its factorization.

204021003203 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2045942.

The product of its (nonzero) digits is 288, while the sum is 17.

Adding to 204021003203 its reverse (302300120402), we get a palindrome (506321123605).

The spelling of 204021003203 in words is "two hundred four billion, twenty-one million, three thousand, two hundred three".