20032724726423 has 4 divisors (see below), whose sum is σ = 20110673071920. Its totient is φ = 19954776380928.

The previous prime is 20032724726401. The next prime is 20032724726471. The reversal of 20032724726423 is 32462742723002.

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 20032724726423 - 2⁶ = 20032724726359 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 (20032724720423) 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, 38974172363 + ... + 38974172876.

It is an arithmetic number, because the mean of its divisors is an integer number (5027668267980).

Almost surely, 2^{20032724726423} is an apocalyptic number.

20032724726423 is a deficient number, since it is larger than the sum of its proper divisors (77948345497).

20032724726423 is an equidigital number, since it uses as much as digits as its factorization.

20032724726423 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 77948345496.

The product of its (nonzero) digits is 1354752, while the sum is 44.

The spelling of 20032724726423 in words is "twenty trillion, thirty-two billion, seven hundred twenty-four million, seven hundred twenty-six thousand, four hundred twenty-three".