20304430303 has 2 divisors, whose sum is σ = 20304430304. Its totient is φ = 20304430302.

The previous prime is 20304430297. The next prime is 20304430309. The reversal of 20304430303 is 30303440302.

It is a balanced prime because it is at equal distance from previous prime (20304430297) and next prime (20304430309).

It is a cyclic number.

It is not a de Polignac number, because 20304430303 - 2¹³ = 20304422111 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (20304430309) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 10152215151 + 10152215152.

It is an arithmetic number, because the mean of its divisors is an integer number (10152215152).

Almost surely, 2^20304430303 is an apocalyptic number.

20304430303 is a deficient number, since it is larger than the sum of its proper divisors (1).

20304430303 is an equidigital number, since it uses as much as digits as its factorization.

20304430303 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 2592, while the sum is 22.

Adding to 20304430303 its reverse (30303440302), we get a palindrome (50607870605).

Subtracting 20304430303 from its reverse (30303440302), we obtain a palindrome (9999009999).

The spelling of 20304430303 in words is "twenty billion, three hundred four million, four hundred thirty thousand, three hundred three".