20423002443022 has 8 divisors (see below), whose sum is σ = 30905605467216. Its totient is φ = 10121133953952.

The previous prime is 20423002443007. The next prime is 20423002443023. The reversal of 20423002443022 is 22034420032402.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20423002443023) 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, 45183633498 + ... + 45183633949.

It is an arithmetic number, because the mean of its divisors is an integer number (3863200683402).

Almost surely, 2^{20423002443022} is an apocalyptic number.

20423002443022 is a deficient number, since it is larger than the sum of its proper divisors (10482603024194).

20423002443022 is a wasteful number, since it uses less digits than its factorization.

20423002443022 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 90367267562.

The product of its (nonzero) digits is 18432, while the sum is 28.

Adding to 20423002443022 its reverse (22034420032402), we get a palindrome (42457422475424).

The spelling of 20423002443022 in words is "twenty trillion, four hundred twenty-three billion, two million, four hundred forty-three thousand, twenty-two".