20331201113 has 4 divisors (see below), whose sum is σ = 20335893300. Its totient is φ = 20326508928.

The previous prime is 20331201103. The next prime is 20331201167. The reversal of 20331201113 is 31110213302.

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 912221209 + 19418979904 = 30203^2 + 139352^2 .

It is a cyclic number.

It is not a de Polignac number, because 20331201113 - 2²⁴ = 20314423897 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 20331201091 and 20331201100.

It is not an unprimeable number, because it can be changed into a prime (20331201103) 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, 2339588 + ... + 2348261.

It is an arithmetic number, because the mean of its divisors is an integer number (5083973325).

Almost surely, 2^20331201113 is an apocalyptic number.

It is an amenable number.

20331201113 is a deficient number, since it is larger than the sum of its proper divisors (4692187).

20331201113 is an equidigital number, since it uses as much as digits as its factorization.

20331201113 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4692186.

The product of its (nonzero) digits is 108, while the sum is 17.

Adding to 20331201113 its reverse (31110213302), we get a palindrome (51441414415).

The spelling of 20331201113 in words is "twenty billion, three hundred thirty-one million, two hundred one thousand, one hundred thirteen".