20340001110043 has 2 divisors, whose sum is σ = 20340001110044. Its totient is φ = 20340001110042.

The previous prime is 20340001110029. The next prime is 20340001110059. The reversal of 20340001110043 is 34001110004302.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 20340001110043 - 2¹⁷ = 20340000978971 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 20340001110043.

It is not a weakly prime, because it can be changed into another prime (20340001110743) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 10170000555021 + 10170000555022.

It is an arithmetic number, because the mean of its divisors is an integer number (10170000555022).

Almost surely, 2^{20340001110043} is an apocalyptic number.

20340001110043 is a deficient number, since it is larger than the sum of its proper divisors (1).

20340001110043 is an equidigital number, since it uses as much as digits as its factorization.

20340001110043 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 288, while the sum is 19.

Adding to 20340001110043 its reverse (34001110004302), we get a palindrome (54341111114345).

The spelling of 20340001110043 in words is "twenty trillion, three hundred forty billion, one million, one hundred ten thousand, forty-three".