20243030113 has 4 divisors (see below), whose sum is σ = 20244369600. Its totient is φ = 20241690628.

The previous prime is 20243030069. The next prime is 20243030161. The reversal of 20243030113 is 31103034202.

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 a de Polignac number, because none of the positive numbers 2^k-20243030113 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (20243030173) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 646813 + ... + 677386.

It is an arithmetic number, because the mean of its divisors is an integer number (5061092400).

Almost surely, 2^20243030113 is an apocalyptic number.

It is an amenable number.

20243030113 is a deficient number, since it is larger than the sum of its proper divisors (1339487).

20243030113 is a wasteful number, since it uses less digits than its factorization.

20243030113 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1339486.

The product of its (nonzero) digits is 432, while the sum is 19.

Adding to 20243030113 its reverse (31103034202), we get a palindrome (51346064315).

The spelling of 20243030113 in words is "twenty billion, two hundred forty-three million, thirty thousand, one hundred thirteen".