205988103 has 20 divisors (see below), whose sum is σ = 314872008. Its totient is φ = 134129520.

The previous prime is 205988093. The next prime is 205988113. The reversal of 205988103 is 301889502.

It is an interprime number because it is at equal distance from previous prime (205988093) and next prime (205988113).

It is not a de Polignac number, because 205988103 - 2⁵ = 205988071 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (205988113) 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 19 ways as a sum of consecutive naturals, for example, 26088 + ... + 33053.

Almost surely, 2^205988103 is an apocalyptic number.

205988103 is a deficient number, since it is larger than the sum of its proper divisors (108883905).

205988103 is an equidigital number, since it uses as much as digits as its factorization.

205988103 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 59196 (or 59187 counting only the distinct ones).

The product of its (nonzero) digits is 17280, while the sum is 36.

The square root of 205988103 is about 14352.2856367897. The cubic root of 205988103 is about 590.5826887301.

The spelling of 205988103 in words is "two hundred five million, nine hundred eighty-eight thousand, one hundred three".