420242110027 has 2 divisors, whose sum is σ = 420242110028. Its totient is φ = 420242110026.

The previous prime is 420242109967. The next prime is 420242110031. The reversal of 420242110027 is 720011242024.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 420242110027 - 2¹¹ = 420242107979 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 420242109983 and 420242110010.

It is not a weakly prime, because it can be changed into another prime (420242110097) 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, 210121055013 + 210121055014.

It is an arithmetic number, because the mean of its divisors is an integer number (210121055014).

Almost surely, 2^420242110027 is an apocalyptic number.

420242110027 is a deficient number, since it is larger than the sum of its proper divisors (1).

420242110027 is an equidigital number, since it uses as much as digits as its factorization.

420242110027 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1792, while the sum is 25.

The spelling of 420242110027 in words is "four hundred twenty billion, two hundred forty-two million, one hundred ten thousand, twenty-seven".