20404232033023 has 24 divisors (see below), whose sum is σ = 21890169661680. Its totient is φ = 19013780244480.

The previous prime is 20404232033011. The next prime is 20404232033047. The reversal of 20404232033023 is 32033023240402.

It is not a de Polignac number, because 20404232033023 - 2³³ = 20395642098431 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 20404232032982 and 20404232033000.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20404232033063) 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 23 ways as a sum of consecutive naturals, for example, 30398248 + ... + 31062226.

It is an arithmetic number, because the mean of its divisors is an integer number (912090402570).

Almost surely, 2^{20404232033023} is an apocalyptic number.

20404232033023 is a deficient number, since it is larger than the sum of its proper divisors (1485937628657).

20404232033023 is a wasteful number, since it uses less digits than its factorization.

20404232033023 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 665067 (or 665050 counting only the distinct ones).

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

Adding to 20404232033023 its reverse (32033023240402), we get a palindrome (52437255273425).

The spelling of 20404232033023 in words is "twenty trillion, four hundred four billion, two hundred thirty-two million, thirty-three thousand, twenty-three".