204503402210103 has 24 divisors (see below), whose sum is σ = 306860481266976. Its totient is φ = 131136957772800.

The previous prime is 204503402210059. The next prime is 204503402210117. The reversal of 204503402210103 is 301012204305402.

204503402210103 is a `hidden beast` number, since 2 + 0 + 4 + 5 + 0 + 340 + 2 + 210 + 103 = 666.

It is not a de Polignac number, because 204503402210103 - 2¹⁰ = 204503402209079 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (204503402210603) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 3902859450 + ... + 3902911847.

It is an arithmetic number, because the mean of its divisors is an integer number (12785853386124).

Almost surely, 2^{204503402210103} is an apocalyptic number.

204503402210103 is a deficient number, since it is larger than the sum of its proper divisors (102357079056873).

204503402210103 is a wasteful number, since it uses less digits than its factorization.

204503402210103 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7805771415 (or 7805771412 counting only the distinct ones).

The product of its (nonzero) digits is 5760, while the sum is 27.

Adding to 204503402210103 its reverse (301012204305402), we get a palindrome (505515606515505).

The spelling of 204503402210103 in words is "two hundred four trillion, five hundred three billion, four hundred two million, two hundred ten thousand, one hundred three".