20085502068427 has 2 divisors, whose sum is σ = 20085502068428. Its totient is φ = 20085502068426.

The previous prime is 20085502068241. The next prime is 20085502068439. The reversal of 20085502068427 is 72486020558002.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-20085502068427 is a prime.

It is not a weakly prime, because it can be changed into another prime (20085502060427) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 10042751034213 + 10042751034214.

It is an arithmetic number, because the mean of its divisors is an integer number (10042751034214).

Almost surely, 2^{20085502068427} is an apocalyptic number.

20085502068427 is a deficient number, since it is larger than the sum of its proper divisors (1).

20085502068427 is an equidigital number, since it uses as much as digits as its factorization.

20085502068427 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 2150400, while the sum is 49.

The spelling of 20085502068427 in words is "twenty trillion, eighty-five billion, five hundred two million, sixty-eight thousand, four hundred twenty-seven".