205200103 has 8 divisors (see below), whose sum is σ = 207123840. Its totient is φ = 203282040.

The previous prime is 205200097. The next prime is 205200119. The reversal of 205200103 is 301002502.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 205200103 - 2⁹ = 205199591 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 (205200403) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 108976 + ... + 110842.

It is an arithmetic number, because the mean of its divisors is an integer number (25890480).

Almost surely, 2^205200103 is an apocalyptic number.

205200103 is a deficient number, since it is larger than the sum of its proper divisors (1923737).

205200103 is a wasteful number, since it uses less digits than its factorization.

205200103 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2837.

The product of its (nonzero) digits is 60, while the sum is 13.

The square root of 205200103 is about 14324.8072587382. The cubic root of 205200103 is about 589.8286421829.

Adding to 205200103 its reverse (301002502), we get a palindrome (506202605).

The spelling of 205200103 in words is "two hundred five million, two hundred thousand, one hundred three".