20023307541013 has 16 divisors (see below), whose sum is σ = 23112936138240. Its totient is φ = 16991005968000.

The previous prime is 20023307540983. The next prime is 20023307541047. The reversal of 20023307541013 is 31014570332002.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-20023307541013 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 (20023307541613) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 4762228 + ... + 7919938.

It is an arithmetic number, because the mean of its divisors is an integer number (1444558508640).

Almost surely, 2^{20023307541013} is an apocalyptic number.

It is an amenable number.

20023307541013 is a deficient number, since it is larger than the sum of its proper divisors (3089628597227).

20023307541013 is a wasteful number, since it uses less digits than its factorization.

20023307541013 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3166788.

The product of its (nonzero) digits is 15120, while the sum is 31.

Adding to 20023307541013 its reverse (31014570332002), we get a palindrome (51037877873015).

The spelling of 20023307541013 in words is "twenty trillion, twenty-three billion, three hundred seven million, five hundred forty-one thousand, thirteen".