20006723384071 has 2 divisors, whose sum is σ = 20006723384072. Its totient is φ = 20006723384070.

The previous prime is 20006723384027. The next prime is 20006723384099. The reversal of 20006723384071 is 17048332760002.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 20006723384071 - 2¹³ = 20006723375879 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (20006723384171) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 10003361692035 + 10003361692036.

It is an arithmetic number, because the mean of its divisors is an integer number (10003361692036).

Almost surely, 2^{20006723384071} is an apocalyptic number.

20006723384071 is a deficient number, since it is larger than the sum of its proper divisors (1).

20006723384071 is an equidigital number, since it uses as much as digits as its factorization.

20006723384071 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 338688, while the sum is 43.

The spelling of 20006723384071 in words is "twenty trillion, six billion, seven hundred twenty-three million, three hundred eighty-four thousand, seventy-one".