204620103 has 6 divisors (see below), whose sum is σ = 295562384. Its totient is φ = 136413396.

The previous prime is 204620099. The next prime is 204620111. The reversal of 204620103 is 301026402.

It is a happy number.

It is not a de Polignac number, because 204620103 - 2² = 204620099 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (204620123) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 11367775 + ... + 11367792.

Almost surely, 2^204620103 is an apocalyptic number.

204620103 is a deficient number, since it is larger than the sum of its proper divisors (90942281).

204620103 is a wasteful number, since it uses less digits than its factorization.

204620103 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 22735573 (or 22735570 counting only the distinct ones).

The product of its (nonzero) digits is 288, while the sum is 18.

The square root of 204620103 is about 14304.5483326109. The cubic root of 204620103 is about 589.2723990632.

Adding to 204620103 its reverse (301026402), we get a palindrome (505646505).

The spelling of 204620103 in words is "two hundred four million, six hundred twenty thousand, one hundred three".