20211024004023 has 4 divisors (see below), whose sum is σ = 26948032005368. Its totient is φ = 13474016002680.

The previous prime is 20211024004019. The next prime is 20211024004027. The reversal of 20211024004023 is 32040042011202.

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 (20211024004019) and next prime (20211024004027).

It is not a de Polignac number, because 20211024004023 - 2² = 20211024004019 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20211024004027) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3368504000668 + ... + 3368504000673.

It is an arithmetic number, because the mean of its divisors is an integer number (6737008001342).

Almost surely, 2^{20211024004023} is an apocalyptic number.

20211024004023 is a deficient number, since it is larger than the sum of its proper divisors (6737008001345).

20211024004023 is an equidigital number, since it uses as much as digits as its factorization.

20211024004023 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6737008001344.

The product of its (nonzero) digits is 768, while the sum is 21.

Adding to 20211024004023 its reverse (32040042011202), we get a palindrome (52251066015225).

The spelling of 20211024004023 in words is "twenty trillion, two hundred eleven billion, twenty-four million, four thousand, twenty-three".