20043342127 has 2 divisors, whose sum is σ = 20043342128. Its totient is φ = 20043342126.

The previous prime is 20043342097. The next prime is 20043342133. The reversal of 20043342127 is 72124334002.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 20043342127 - 2³¹ = 17895858479 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 20043342095 and 20043342104.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (20043342167) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 10021671063 + 10021671064.

It is an arithmetic number, because the mean of its divisors is an integer number (10021671064).

Almost surely, 2^20043342127 is an apocalyptic number.

20043342127 is a deficient number, since it is larger than the sum of its proper divisors (1).

20043342127 is an equidigital number, since it uses as much as digits as its factorization.

20043342127 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 8064, while the sum is 28.

Adding to 20043342127 its reverse (72124334002), we get a palindrome (92167676129).

The spelling of 20043342127 in words is "twenty billion, forty-three million, three hundred forty-two thousand, one hundred twenty-seven".