420242302013 has 4 divisors (see below), whose sum is σ = 430015378848. Its totient is φ = 410469225180.

The previous prime is 420242302009. The next prime is 420242302031. The reversal of 420242302013 is 310203242024.

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 420242302013 - 2² = 420242302009 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 420242302013.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (420242302003) 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, 4886538353 + ... + 4886538438.

It is an arithmetic number, because the mean of its divisors is an integer number (107503844712).

Almost surely, 2^420242302013 is an apocalyptic number.

420242302013 is a gapful number since it is divisible by the number (43) formed by its first and last digit.

It is an amenable number.

420242302013 is a deficient number, since it is larger than the sum of its proper divisors (9773076835).

420242302013 is an equidigital number, since it uses as much as digits as its factorization.

420242302013 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9773076834.

The product of its (nonzero) digits is 2304, while the sum is 23.

Adding to 420242302013 its reverse (310203242024), we get a palindrome (730445544037).

The spelling of 420242302013 in words is "four hundred twenty billion, two hundred forty-two million, three hundred two thousand, thirteen".