420212327 has 2 divisors, whose sum is σ = 420212328. Its totient is φ = 420212326.

The previous prime is 420212281. The next prime is 420212357. The reversal of 420212327 is 723212024.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 420212327 - 2²² = 416018023 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (420212357) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 210106163 + 210106164.

It is an arithmetic number, because the mean of its divisors is an integer number (210106164).

Almost surely, 2^420212327 is an apocalyptic number.

420212327 is a deficient number, since it is larger than the sum of its proper divisors (1).

420212327 is an equidigital number, since it uses as much as digits as its factorization.

420212327 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 square root of 420212327 is about 20499.0811257481. The cubic root of 420212327 is about 749.0134150656.

The spelling of 420212327 in words is "four hundred twenty million, two hundred twelve thousand, three hundred twenty-seven".