20341540027 has 2 divisors, whose sum is σ = 20341540028. Its totient is φ = 20341540026.

The previous prime is 20341540013. The next prime is 20341540067. The reversal of 20341540027 is 72004514302.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-20341540027 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 20341539977 and 20341540004.

It is not a weakly prime, because it can be changed into another prime (20341540067) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 10170770013 + 10170770014.

It is an arithmetic number, because the mean of its divisors is an integer number (10170770014).

Almost surely, 2^20341540027 is an apocalyptic number.

20341540027 is a deficient number, since it is larger than the sum of its proper divisors (1).

20341540027 is an equidigital number, since it uses as much as digits as its factorization.

20341540027 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 6720, while the sum is 28.

The spelling of 20341540027 in words is "twenty billion, three hundred forty-one million, five hundred forty thousand, twenty-seven".