204221034203 has 4 divisors (see below), whose sum is σ = 204308050200. Its totient is φ = 204134018208.

The previous prime is 204221034169. The next prime is 204221034229. The reversal of 204221034203 is 302430122402.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 204221034203 - 2²² = 204216839899 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (204221034263) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 43504478 + ... + 43509171.

It is an arithmetic number, because the mean of its divisors is an integer number (51077012550).

Almost surely, 2^204221034203 is an apocalyptic number.

204221034203 is a deficient number, since it is larger than the sum of its proper divisors (87015997).

204221034203 is an equidigital number, since it uses as much as digits as its factorization.

204221034203 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 87015996.

The product of its (nonzero) digits is 2304, while the sum is 23.

Adding to 204221034203 its reverse (302430122402), we get a palindrome (506651156605).

The spelling of 204221034203 in words is "two hundred four billion, two hundred twenty-one million, thirty-four thousand, two hundred three".