20320203113 has 8 divisors (see below), whose sum is σ = 23972221440. Its totient is φ = 16855467840.

The previous prime is 20320203103. The next prime is 20320203161. The reversal of 20320203113 is 31130202302.

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 20320203113 - 2⁸ = 20320202857 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 20320203091 and 20320203100.

It is not an unprimeable number, because it can be changed into a prime (20320203103) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 46820528 + ... + 46820961.

It is an arithmetic number, because the mean of its divisors is an integer number (2996527680).

Almost surely, 2^20320203113 is an apocalyptic number.

It is an amenable number.

20320203113 is a deficient number, since it is larger than the sum of its proper divisors (3652018327).

20320203113 is an equidigital number, since it uses as much as digits as its factorization.

20320203113 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 93641527.

The product of its (nonzero) digits is 216, while the sum is 17.

Adding to 20320203113 its reverse (31130202302), we get a palindrome (51450405415).

The spelling of 20320203113 in words is "twenty billion, three hundred twenty million, two hundred three thousand, one hundred thirteen".