20013230303113 has 4 divisors (see below), whose sum is σ = 20013653489940. Its totient is φ = 20012807116288.

The previous prime is 20013230303111. The next prime is 20013230303147. The reversal of 20013230303113 is 31130303231002.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 12202530076944 + 7810700226169 = 3493212^2 + 2794763^2 .

It is a cyclic number.

It is not a de Polignac number, because 20013230303113 - 2¹ = 20013230303111 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (20013230303111) 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, 211522468 + ... + 211617061.

It is an arithmetic number, because the mean of its divisors is an integer number (5003413372485).

Almost surely, 2^{20013230303113} is an apocalyptic number.

It is an amenable number.

20013230303113 is a deficient number, since it is larger than the sum of its proper divisors (423186827).

20013230303113 is an equidigital number, since it uses as much as digits as its factorization.

20013230303113 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 423186826.

The product of its (nonzero) digits is 972, while the sum is 22.

Adding to 20013230303113 its reverse (31130303231002), we get a palindrome (51143533534115).

The spelling of 20013230303113 in words is "twenty trillion, thirteen billion, two hundred thirty million, three hundred three thousand, one hundred thirteen".