204216103 has 16 divisors (see below), whose sum is σ = 262273536. Its totient is φ = 154550880.

The previous prime is 204216091. The next prime is 204216109. The reversal of 204216103 is 301612402.

It is a cyclic number.

It is not a de Polignac number, because 204216103 - 2¹³ = 204207911 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (204216109) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 46693 + ... + 50878.

It is an arithmetic number, because the mean of its divisors is an integer number (16392096).

Almost surely, 2^204216103 is an apocalyptic number.

204216103 is a gapful number since it is divisible by the number (23) formed by its first and last digit.

204216103 is a deficient number, since it is larger than the sum of its proper divisors (58057433).

204216103 is a wasteful number, since it uses less digits than its factorization.

204216103 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 97614.

The product of its (nonzero) digits is 288, while the sum is 19.

The square root of 204216103 is about 14290.4199728349. The cubic root of 204216103 is about 588.8843255939.

Adding to 204216103 its reverse (301612402), we get a palindrome (505828505).

It can be divided in two parts, 2042 and 16103, that added together give a triangular number (18145 = T₁₉₀).

The spelling of 204216103 in words is "two hundred four million, two hundred sixteen thousand, one hundred three".