20011330023 has 4 divisors (see below), whose sum is σ = 26681773368. Its totient is φ = 13340886680.

The previous prime is 20011329977. The next prime is 20011330069. The reversal of 20011330023 is 32003311002.

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

It is an interprime number because it is at equal distance from previous prime (20011329977) and next prime (20011330069).

It is a cyclic number.

It is not a de Polignac number, because 20011330023 - 2¹⁰ = 20011328999 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 20011329984 and 20011330011.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20011330093) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3335221668 + ... + 3335221673.

It is an arithmetic number, because the mean of its divisors is an integer number (6670443342).

Almost surely, 2^20011330023 is an apocalyptic number.

20011330023 is a deficient number, since it is larger than the sum of its proper divisors (6670443345).

20011330023 is an equidigital number, since it uses as much as digits as its factorization.

20011330023 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6670443344.

The product of its (nonzero) digits is 108, while the sum is 15.

Adding to 20011330023 its reverse (32003311002), we get a palindrome (52014641025).

The spelling of 20011330023 in words is "twenty billion, eleven million, three hundred thirty thousand, twenty-three".