20367314543 has 2 divisors, whose sum is σ = 20367314544. Its totient is φ = 20367314542.

The previous prime is 20367314533. The next prime is 20367314549. The reversal of 20367314543 is 34541376302.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-20367314543 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 20367314497 and 20367314506.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (20367314549) 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, 10183657271 + 10183657272.

It is an arithmetic number, because the mean of its divisors is an integer number (10183657272).

Almost surely, 2^20367314543 is an apocalyptic number.

20367314543 is a deficient number, since it is larger than the sum of its proper divisors (1).

20367314543 is an equidigital number, since it uses as much as digits as its factorization.

20367314543 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 181440, while the sum is 38.

The spelling of 20367314543 in words is "twenty billion, three hundred sixty-seven million, three hundred fourteen thousand, five hundred forty-three".