420620627047 has 2 divisors, whose sum is σ = 420620627048. Its totient is φ = 420620627046.

The previous prime is 420620626999. The next prime is 420620627083. The reversal of 420620627047 is 740726026024.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 420620627047 - 2⁷ = 420620626919 is a prime.

It is a super-2 number, since 2×420620627047² (a number of 24 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (420620622047) 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, 210310313523 + 210310313524.

It is an arithmetic number, because the mean of its divisors is an integer number (210310313524).

Almost surely, 2^420620627047 is an apocalyptic number.

420620627047 is a deficient number, since it is larger than the sum of its proper divisors (1).

420620627047 is an equidigital number, since it uses as much as digits as its factorization.

420620627047 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 225792, while the sum is 40.

The spelling of 420620627047 in words is "four hundred twenty billion, six hundred twenty million, six hundred twenty-seven thousand, forty-seven".