20302323013305 has 48 divisors (see below), whose sum is σ = 35892617170176. Its totient is φ = 10613692091520.

The previous prime is 20302323013279. The next prime is 20302323013339. The reversal of 20302323013305 is 50331032320302.

20302323013305 is a `hidden beast` number, since 2 + 0 + 3 + 0 + 2 + 323 + 0 + 1 + 330 + 5 = 666.

It is not a de Polignac number, because 20302323013305 - 2⁹ = 20302323012793 is a prime.

It is an unprimeable number.

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 in 47 ways as a sum of consecutive naturals, for example, 17812597 + ... + 18918066.

It is an arithmetic number, because the mean of its divisors is an integer number (747762857712).

Almost surely, 2^{20302323013305} is an apocalyptic number.

It is an amenable number.

20302323013305 is a deficient number, since it is larger than the sum of its proper divisors (15590294156871).

20302323013305 is a wasteful number, since it uses less digits than its factorization.

20302323013305 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 36730918 (or 36730915 counting only the distinct ones).

The product of its (nonzero) digits is 9720, while the sum is 27.

Adding to 20302323013305 its reverse (50331032320302), we get a palindrome (70633355333607).

The spelling of 20302323013305 in words is "twenty trillion, three hundred two billion, three hundred twenty-three million, thirteen thousand, three hundred five".