420302120027 has 2 divisors, whose sum is σ = 420302120028. Its totient is φ = 420302120026.

The previous prime is 420302119981. The next prime is 420302120041. The reversal of 420302120027 is 720021203024.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 420302120027 - 2¹² = 420302115931 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 420302119984 and 420302120011.

It is not a weakly prime, because it can be changed into another prime (420302720027) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 210151060013 + 210151060014.

It is an arithmetic number, because the mean of its divisors is an integer number (210151060014).

Almost surely, 2^420302120027 is an apocalyptic number.

420302120027 is a deficient number, since it is larger than the sum of its proper divisors (1).

420302120027 is an equidigital number, since it uses as much as digits as its factorization.

420302120027 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1344, while the sum is 23.

The spelling of 420302120027 in words is "four hundred twenty billion, three hundred two million, one hundred twenty thousand, twenty-seven".