205043402203 has 2 divisors, whose sum is σ = 205043402204. Its totient is φ = 205043402202.

The previous prime is 205043402197. The next prime is 205043402233. The reversal of 205043402203 is 302204340502.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-205043402203 is a prime.

It is not a weakly prime, because it can be changed into another prime (205043402233) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 102521701101 + 102521701102.

It is an arithmetic number, because the mean of its divisors is an integer number (102521701102).

Almost surely, 2^205043402203 is an apocalyptic number.

205043402203 is a deficient number, since it is larger than the sum of its proper divisors (1).

205043402203 is an equidigital number, since it uses as much as digits as its factorization.

205043402203 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 5760, while the sum is 25.

Adding to 205043402203 its reverse (302204340502), we get a palindrome (507247742705).

The spelling of 205043402203 in words is "two hundred five billion, forty-three million, four hundred two thousand, two hundred three".