20066326013 has 4 divisors (see below), whose sum is σ = 20068562880. Its totient is φ = 20064089148.

The previous prime is 20066325953. The next prime is 20066326051. The reversal of 20066326013 is 31062366002.

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 20066326013 - 2²⁴ = 20049548797 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 (20066326913) 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, 1104923 + ... + 1122936.

It is an arithmetic number, because the mean of its divisors is an integer number (5017140720).

Almost surely, 2^20066326013 is an apocalyptic number.

It is an amenable number.

20066326013 is a deficient number, since it is larger than the sum of its proper divisors (2236867).

20066326013 is an equidigital number, since it uses as much as digits as its factorization.

20066326013 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2236866.

The product of its (nonzero) digits is 7776, while the sum is 29.

The spelling of 20066326013 in words is "twenty billion, sixty-six million, three hundred twenty-six thousand, thirteen".