20323032113 has 4 divisors (see below), whose sum is σ = 20327451888. Its totient is φ = 20318612340.

The previous prime is 20323032083. The next prime is 20323032179. The reversal of 20323032113 is 31123032302.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 20323032113 - 2¹⁴ = 20323015729 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (20323032413) 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, 2202983 + ... + 2212188.

It is an arithmetic number, because the mean of its divisors is an integer number (5081862972).

Almost surely, 2^20323032113 is an apocalyptic number.

It is an amenable number.

20323032113 is a deficient number, since it is larger than the sum of its proper divisors (4419775).

20323032113 is an equidigital number, since it uses as much as digits as its factorization.

20323032113 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4419774.

The product of its (nonzero) digits is 648, while the sum is 20.

Adding to 20323032113 its reverse (31123032302), we get a palindrome (51446064415).

The spelling of 20323032113 in words is "twenty billion, three hundred twenty-three million, thirty-two thousand, one hundred thirteen".