420302013 has 4 divisors (see below), whose sum is σ = 560402688. Its totient is φ = 280201340.

The previous prime is 420302011. The next prime is 420302027. The reversal of 420302013 is 310203024.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 420302013 - 2¹ = 420302011 is a prime.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 420301983 and 420302001.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (420302011) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 70050333 + ... + 70050338.

It is an arithmetic number, because the mean of its divisors is an integer number (140100672).

Almost surely, 2^420302013 is an apocalyptic number.

It is an amenable number.

420302013 is a deficient number, since it is larger than the sum of its proper divisors (140100675).

420302013 is a wasteful number, since it uses less digits than its factorization.

420302013 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 140100674.

The product of its (nonzero) digits is 144, while the sum is 15.

The square root of 420302013 is about 20501.2685705056. The cubic root of 420302013 is about 749.0666986354.

Adding to 420302013 its reverse (310203024), we get a palindrome (730505037).

The spelling of 420302013 in words is "four hundred twenty million, three hundred two thousand, thirteen".