420022242047 has 2 divisors, whose sum is σ = 420022242048. Its totient is φ = 420022242046.

The previous prime is 420022242001. The next prime is 420022242077. The reversal of 420022242047 is 740242220024.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 420022242047 - 2²⁴ = 420005464831 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (420022242077) 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, 210011121023 + 210011121024.

It is an arithmetic number, because the mean of its divisors is an integer number (210011121024).

Almost surely, 2^420022242047 is an apocalyptic number.

420022242047 is a deficient number, since it is larger than the sum of its proper divisors (1).

420022242047 is an equidigital number, since it uses as much as digits as its factorization.

420022242047 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 14336, while the sum is 29.

The spelling of 420022242047 in words is "four hundred twenty billion, twenty-two million, two hundred forty-two thousand, forty-seven".