420239014 has 32 divisors (see below), whose sum is σ = 732382560. Its totient is φ = 179092992.

The previous prime is 420239011. The next prime is 420239041. The reversal of 420239014 is 410932024.

It is a self number, because there is not a number n which added to its sum of digits gives 420239014.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (420239011) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 14457 + ... + 32395.

It is an arithmetic number, because the mean of its divisors is an integer number (22886955).

Almost surely, 2^420239014 is an apocalyptic number.

420239014 is a deficient number, since it is larger than the sum of its proper divisors (312143546).

420239014 is a wasteful number, since it uses less digits than its factorization.

420239014 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 18024.

The product of its (nonzero) digits is 1728, while the sum is 25.

The square root of 420239014 is about 20499.7320470293. The cubic root of 420239014 is about 749.0292709370.

The spelling of 420239014 in words is "four hundred twenty million, two hundred thirty-nine thousand, fourteen".