420304014 has 72 divisors (see below), whose sum is σ = 1018135872. Its totient is φ = 125124480.

The previous prime is 420304009. The next prime is 420304021. The reversal of 420304014 is 410403024.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a congruent number.

It is an unprimeable number.

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 35 ways as a sum of consecutive naturals, for example, 92074 + ... + 96530.

It is an arithmetic number, because the mean of its divisors is an integer number (14140776).

Almost surely, 2^420304014 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 420304014, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (509067936).

420304014 is an abundant number, since it is smaller than the sum of its proper divisors (597831858).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

420304014 is a wasteful number, since it uses less digits than its factorization.

420304014 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4522 (or 4506 counting only the distinct ones).

The product of its (nonzero) digits is 384, while the sum is 18.

The square root of 420304014 is about 20501.3173723056. The cubic root of 420304014 is about 749.0678873680.

Adding to 420304014 its reverse (410403024), we get a palindrome (830707038).

The spelling of 420304014 in words is "four hundred twenty million, three hundred four thousand, fourteen".