20364347071 has 2 divisors, whose sum is σ = 20364347072. Its totient is φ = 20364347070.

The previous prime is 20364346999. The next prime is 20364347089. The reversal of 20364347071 is 17074346302.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 20364347071 - 2¹⁹ = 20363822783 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 20364347071.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (20365347071) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 10182173535 + 10182173536.

It is an arithmetic number, because the mean of its divisors is an integer number (10182173536).

Almost surely, 2^20364347071 is an apocalyptic number.

20364347071 is a deficient number, since it is larger than the sum of its proper divisors (1).

20364347071 is an equidigital number, since it uses as much as digits as its factorization.

20364347071 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 84672, while the sum is 37.

The spelling of 20364347071 in words is "twenty billion, three hundred sixty-four million, three hundred forty-seven thousand, seventy-one".