20042310430213 has 4 divisors (see below), whose sum is σ = 20042319384160. Its totient is φ = 20042301476268.

The previous prime is 20042310430193. The next prime is 20042310430237. The reversal of 20042310430213 is 31203401324002.

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, and also a brilliant number, because the two primes have the same length.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-20042310430213 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20042310437213) 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, 2191606 + ... + 6699832.

It is an arithmetic number, because the mean of its divisors is an integer number (5010579846040).

Almost surely, 2^{20042310430213} is an apocalyptic number.

It is an amenable number.

20042310430213 is a deficient number, since it is larger than the sum of its proper divisors (8953947).

20042310430213 is an equidigital number, since it uses as much as digits as its factorization.

20042310430213 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8953946.

The product of its (nonzero) digits is 3456, while the sum is 25.

Adding to 20042310430213 its reverse (31203401324002), we get a palindrome (51245711754215).

The spelling of 20042310430213 in words is "twenty trillion, forty-two billion, three hundred ten million, four hundred thirty thousand, two hundred thirteen".