420024140227 has 2 divisors, whose sum is σ = 420024140228. Its totient is φ = 420024140226.

The previous prime is 420024140219. The next prime is 420024140293. The reversal of 420024140227 is 722041420024.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 420024140227 - 2³ = 420024140219 is a prime.

It is a super-2 number, since 2×420024140227² (a number of 24 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 420024140195 and 420024140204.

It is not a weakly prime, because it can be changed into another prime (420024140027) 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, 210012070113 + 210012070114.

It is an arithmetic number, because the mean of its divisors is an integer number (210012070114).

Almost surely, 2^420024140227 is an apocalyptic number.

420024140227 is a deficient number, since it is larger than the sum of its proper divisors (1).

420024140227 is an equidigital number, since it uses as much as digits as its factorization.

420024140227 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 7168, while the sum is 28.

The spelling of 420024140227 in words is "four hundred twenty billion, twenty-four million, one hundred forty thousand, two hundred twenty-seven".