20600442446047 has 2 divisors, whose sum is σ = 20600442446048. Its totient is φ = 20600442446046.

The previous prime is 20600442446021. The next prime is 20600442446093. The reversal of 20600442446047 is 74064424400602.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 20600442446047 - 2³⁵ = 20566082707679 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 20600442445994 and 20600442446012.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (20600442440047) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 10300221223023 + 10300221223024.

It is an arithmetic number, because the mean of its divisors is an integer number (10300221223024).

Almost surely, 2^{20600442446047} is an apocalyptic number.

20600442446047 is a deficient number, since it is larger than the sum of its proper divisors (1).

20600442446047 is an equidigital number, since it uses as much as digits as its factorization.

20600442446047 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1032192, while the sum is 43.

Adding to 20600442446047 its reverse (74064424400602), we get a palindrome (94664866846649).

The spelling of 20600442446047 in words is "twenty trillion, six hundred billion, four hundred forty-two million, four hundred forty-six thousand, forty-seven".