20304430241 has 4 divisors (see below), whose sum is σ = 20359756032. Its totient is φ = 20249104452.

The previous prime is 20304430219. The next prime is 20304430249. The reversal of 20304430241 is 14203440302.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 20304430241 - 2⁶ = 20304430177 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (20304430249) 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, 27662345 + ... + 27663078.

It is an arithmetic number, because the mean of its divisors is an integer number (5089939008).

Almost surely, 2^20304430241 is an apocalyptic number.

It is an amenable number.

20304430241 is a deficient number, since it is larger than the sum of its proper divisors (55325791).

20304430241 is an equidigital number, since it uses as much as digits as its factorization.

20304430241 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 55325790.

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

Adding to 20304430241 its reverse (14203440302), we get a palindrome (34507870543).

The spelling of 20304430241 in words is "twenty billion, three hundred four million, four hundred thirty thousand, two hundred forty-one".