20304302321366 has 16 divisors (see below), whose sum is σ = 34833764655360. Its totient is φ = 8695246540200.

The previous prime is 20304302321309. The next prime is 20304302321389. The reversal of 20304302321366 is 66312320340302.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 549756860 + ... + 549793791.

It is an arithmetic number, because the mean of its divisors is an integer number (2177110290960).

Almost surely, 2^{20304302321366} is an apocalyptic number.

20304302321366 is a deficient number, since it is larger than the sum of its proper divisors (14529462333994).

20304302321366 is a wasteful number, since it uses less digits than its factorization.

20304302321366 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1099551979.

The product of its (nonzero) digits is 93312, while the sum is 35.

Adding to 20304302321366 its reverse (66312320340302), we get a palindrome (86616622661668).

The spelling of 20304302321366 in words is "twenty trillion, three hundred four billion, three hundred two million, three hundred twenty-one thousand, three hundred sixty-six".