20013302233013 has 4 divisors (see below), whose sum is σ = 20015107358400. Its totient is φ = 20011497107628.

The previous prime is 20013302233009. The next prime is 20013302233051. The reversal of 20013302233013 is 31033220331002.

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 20013302233013 - 2² = 20013302233009 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 20013302233013.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20013302233213) 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, 902546063 + ... + 902568236.

It is an arithmetic number, because the mean of its divisors is an integer number (5003776839600).

Almost surely, 2^{20013302233013} is an apocalyptic number.

It is an amenable number.

20013302233013 is a deficient number, since it is larger than the sum of its proper divisors (1805125387).

20013302233013 is a wasteful number, since it uses less digits than its factorization.

20013302233013 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1805125386.

The product of its (nonzero) digits is 1944, while the sum is 23.

Adding to 20013302233013 its reverse (31033220331002), we get a palindrome (51046522564015).

The spelling of 20013302233013 in words is "twenty trillion, thirteen billion, three hundred two million, two hundred thirty-three thousand, thirteen".