20304108531336 has 96 divisors (see below), whose sum is σ = 59856534908640. Its totient is φ = 5721705706752.

The previous prime is 20304108531269. The next prime is 20304108531361. The reversal of 20304108531336 is 63313580140302.

It is a junction number, because it is equal to n+sod(n) for n = 20304108531294 and 20304108531303.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 118170306 + ... + 118342001.

It is an arithmetic number, because the mean of its divisors is an integer number (623505571965).

Almost surely, 2^{20304108531336} is an apocalyptic number.

It is an amenable number.

20304108531336 is an abundant number, since it is smaller than the sum of its proper divisors (39552426377304).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

20304108531336 is a wasteful number, since it uses less digits than its factorization.

20304108531336 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 236512403 (or 236512392 counting only the distinct ones).

The product of its (nonzero) digits is 155520, while the sum is 39.

Adding to 20304108531336 its reverse (63313580140302), we get a palindrome (83617688671638).

The spelling of 20304108531336 in words is "twenty trillion, three hundred four billion, one hundred eight million, five hundred thirty-one thousand, three hundred thirty-six".