20013725100013 has 8 divisors (see below), whose sum is σ = 20073405869600. Its totient is φ = 19954132552368.

The previous prime is 20013725099981. The next prime is 20013725100091. The reversal of 20013725100013 is 31000152731002.

It is a happy number.

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 20013725100013 - 2⁵ = 20013725099981 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 (20013725100113) 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, 21601083 + ... + 22508536.

It is an arithmetic number, because the mean of its divisors is an integer number (2509175733700).

Almost surely, 2^{20013725100013} is an apocalyptic number.

It is an amenable number.

20013725100013 is a deficient number, since it is larger than the sum of its proper divisors (59680769587).

20013725100013 is an equidigital number, since it uses as much as digits as its factorization.

20013725100013 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 44110971.

The product of its (nonzero) digits is 1260, while the sum is 25.

Adding to 20013725100013 its reverse (31000152731002), we get a palindrome (51013877831015).

The spelling of 20013725100013 in words is "twenty trillion, thirteen billion, seven hundred twenty-five million, one hundred thousand, thirteen".