20003513165713 has 8 divisors (see below), whose sum is σ = 24939444985920. Its totient is φ = 15587153116080.

The previous prime is 20003513165707. The next prime is 20003513165717. The reversal of 20003513165713 is 31756131530002.

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

It is not a de Polignac number, because 20003513165713 - 2³³ = 19994923231121 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (20003513165717) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 129892942558 + ... + 129892942711.

It is an arithmetic number, because the mean of its divisors is an integer number (3117430623240).

Almost surely, 2^{20003513165713} is an apocalyptic number.

It is an amenable number.

20003513165713 is a deficient number, since it is larger than the sum of its proper divisors (4935931820207).

20003513165713 is a wasteful number, since it uses less digits than its factorization.

20003513165713 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 259785885287.

The product of its (nonzero) digits is 56700, while the sum is 37.

Adding to 20003513165713 its reverse (31756131530002), we get a palindrome (51759644695715).

The spelling of 20003513165713 in words is "twenty trillion, three billion, five hundred thirteen million, one hundred sixty-five thousand, seven hundred thirteen".