20300323320243 has 12 divisors (see below), whose sum is σ = 29444360153208. Its totient is φ = 13477393074240.

The previous prime is 20300323320187. The next prime is 20300323320397. The reversal of 20300323320243 is 34202332300302.

20300323320243 is a `hidden beast` number, since 2 + 0 + 300 + 3 + 2 + 332 + 0 + 24 + 3 = 666.

It is not a de Polignac number, because 20300323320243 - 2²⁸ = 20300054884787 is a prime.

It is not an unprimeable number, because it can be changed into a prime (20300323320643) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 4679648205 + ... + 4679652542.

It is an arithmetic number, because the mean of its divisors is an integer number (2453696679434).

Almost surely, 2^{20300323320243} is an apocalyptic number.

20300323320243 is a deficient number, since it is larger than the sum of its proper divisors (9144036832965).

20300323320243 is a wasteful number, since it uses less digits than its factorization.

20300323320243 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9359300994 (or 9359300991 counting only the distinct ones).

The product of its (nonzero) digits is 15552, while the sum is 27.

Adding to 20300323320243 its reverse (34202332300302), we get a palindrome (54502655620545).

The spelling of 20300323320243 in words is "twenty trillion, three hundred billion, three hundred twenty-three million, three hundred twenty thousand, two hundred forty-three".