20013061730773 has 8 divisors (see below), whose sum is σ = 20773935025920. Its totient is φ = 19266149413680.

The previous prime is 20013061730771. The next prime is 20013061730803. The reversal of 20013061730773 is 37703716031002.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 20013061730773 - 2¹ = 20013061730771 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 (20013061730771) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3490241593 + ... + 3490247326.

It is an arithmetic number, because the mean of its divisors is an integer number (2596741878240).

Almost surely, 2^{20013061730773} is an apocalyptic number.

It is an amenable number.

20013061730773 is a deficient number, since it is larger than the sum of its proper divisors (760873295147).

20013061730773 is an equidigital number, since it uses as much as digits as its factorization.

20013061730773 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6980489027.

The product of its (nonzero) digits is 111132, while the sum is 40.

Adding to 20013061730773 its reverse (37703716031002), we get a palindrome (57716777761775).

The spelling of 20013061730773 in words is "twenty trillion, thirteen billion, sixty-one million, seven hundred thirty thousand, seven hundred seventy-three".