20622546376013 has 4 divisors (see below), whose sum is σ = 21519178827168. Its totient is φ = 19725913924860.

The previous prime is 20622546376009. The next prime is 20622546376021. The reversal of 20622546376013 is 31067364522602.

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 20622546376013 - 2² = 20622546376009 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 (20622546376093) 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, 448316225543 + ... + 448316225588.

It is an arithmetic number, because the mean of its divisors is an integer number (5379794706792).

Almost surely, 2^{20622546376013} is an apocalyptic number.

20622546376013 is a gapful number since it is divisible by the number (23) formed by its first and last digit.

It is an amenable number.

20622546376013 is a deficient number, since it is larger than the sum of its proper divisors (896632451155).

20622546376013 is an equidigital number, since it uses as much as digits as its factorization.

20622546376013 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 896632451154.

The product of its (nonzero) digits is 2177280, while the sum is 47.

The spelling of 20622546376013 in words is "twenty trillion, six hundred twenty-two billion, five hundred forty-six million, three hundred seventy-six thousand, thirteen".