20331033432023 has 4 divisors (see below), whose sum is σ = 20343214999560. Its totient is φ = 20318851864488.

The previous prime is 20331033432019. The next prime is 20331033432029. The reversal of 20331033432023 is 32023433013302.

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 20331033432023 - 2² = 20331033432019 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 (20331033432029) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 6090781265 + ... + 6090784602.

It is an arithmetic number, because the mean of its divisors is an integer number (5085803749890).

Almost surely, 2^{20331033432023} is an apocalyptic number.

20331033432023 is a deficient number, since it is larger than the sum of its proper divisors (12181567537).

20331033432023 is a wasteful number, since it uses less digits than its factorization.

20331033432023 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12181567536.

The product of its (nonzero) digits is 23328, while the sum is 29.

Adding to 20331033432023 its reverse (32023433013302), we get a palindrome (52354466445325).

The spelling of 20331033432023 in words is "twenty trillion, three hundred thirty-one billion, thirty-three million, four hundred thirty-two thousand, twenty-three".