20304313440230 has 32 divisors (see below), whose sum is σ = 36648203669280. Its totient is φ = 8099428986880.

The previous prime is 20304313440223. The next prime is 20304313440233. The reversal of 20304313440230 is 3204431340302.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 20304313440193 and 20304313440202.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20304313440233) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (29) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 5450732 + ... + 8385648.

It is an arithmetic number, because the mean of its divisors is an integer number (1145256364665).

Almost surely, 2^{20304313440230} is an apocalyptic number.

20304313440230 is a deficient number, since it is larger than the sum of its proper divisors (16343890229050).

20304313440230 is a wasteful number, since it uses less digits than its factorization.

20304313440230 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2936824.

The product of its (nonzero) digits is 20736, while the sum is 29.

Adding to 20304313440230 its reverse (3204431340302), we get a palindrome (23508744780532).

The spelling of 20304313440230 in words is "twenty trillion, three hundred four billion, three hundred thirteen million, four hundred forty thousand, two hundred thirty".