20023307541047 has 2 divisors, whose sum is σ = 20023307541048. Its totient is φ = 20023307541046.

The previous prime is 20023307540983. The next prime is 20023307541079. The reversal of 20023307541047 is 74014570332002.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 20023307541047 - 2⁶ = 20023307540983 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 20023307541047.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (20023307541247) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 10011653770523 + 10011653770524.

It is an arithmetic number, because the mean of its divisors is an integer number (10011653770524).

Almost surely, 2^{20023307541047} is an apocalyptic number.

20023307541047 is a deficient number, since it is larger than the sum of its proper divisors (1).

20023307541047 is an equidigital number, since it uses as much as digits as its factorization.

20023307541047 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 141120, while the sum is 38.

Adding to 20023307541047 its reverse (74014570332002), we get a palindrome (94037877873049).

The spelling of 20023307541047 in words is "twenty trillion, twenty-three billion, three hundred seven million, five hundred forty-one thousand, forty-seven".