20302433420023 has 4 divisors (see below), whose sum is σ = 20337020189640. Its totient is φ = 20267846650408.

The previous prime is 20302433419963. The next prime is 20302433420041. The reversal of 20302433420023 is 32002433420302.

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

It is a cyclic number.

It is not a de Polignac number, because 20302433420023 - 2¹³ = 20302433411831 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 20302433419973 and 20302433420000.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20302433420623) 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, 17293383928 + ... + 17293385101.

It is an arithmetic number, because the mean of its divisors is an integer number (5084255047410).

Almost surely, 2^{20302433420023} is an apocalyptic number.

20302433420023 is a deficient number, since it is larger than the sum of its proper divisors (34586769617).

20302433420023 is an equidigital number, since it uses as much as digits as its factorization.

20302433420023 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 34586769616.

The product of its (nonzero) digits is 20736, while the sum is 28.

Adding to 20302433420023 its reverse (32002433420302), we get a palindrome (52304866840325).

The spelling of 20302433420023 in words is "twenty trillion, three hundred two billion, four hundred thirty-three million, four hundred twenty thousand, twenty-three".