204102003 has 12 divisors (see below), whose sum is σ = 316566600. Its totient is φ = 116629632.

The previous prime is 204102001. The next prime is 204102053. The reversal of 204102003 is 300201402.

204102003 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 204102003 - 2¹ = 204102001 is a prime.

It is a super-2 number, since 2×204102003² = 83315255257224018, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 204102003.

It is not an unprimeable number, because it can be changed into a prime (204102001) 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, 694078 + ... + 694371.

It is an arithmetic number, because the mean of its divisors is an integer number (26380550).

Almost surely, 2^204102003 is an apocalyptic number.

204102003 is a deficient number, since it is larger than the sum of its proper divisors (112464597).

204102003 is a wasteful number, since it uses less digits than its factorization.

204102003 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1388466 (or 1388459 counting only the distinct ones).

The product of its (nonzero) digits is 48, while the sum is 12.

The square root of 204102003 is about 14286.4272300670. The cubic root of 204102003 is about 588.7746309807.

Adding to 204102003 its reverse (300201402), we get a palindrome (504303405).

The spelling of 204102003 in words is "two hundred four million, one hundred two thousand, three".