20022434144323 has 32 divisors (see below), whose sum is σ = 21851747850240. Its totient is φ = 18236567439360.

The previous prime is 20022434144281. The next prime is 20022434144399. The reversal of 20022434144323 is 32344143422002.

It is a cyclic number.

It is not a de Polignac number, because 20022434144323 - 2³³ = 20013844209731 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (20022434154323) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 158745598 + ... + 158871676.

It is an arithmetic number, because the mean of its divisors is an integer number (682867120320).

Almost surely, 2^{20022434144323} is an apocalyptic number.

20022434144323 is a deficient number, since it is larger than the sum of its proper divisors (1829313705917).

20022434144323 is a wasteful number, since it uses less digits than its factorization.

20022434144323 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 126799.

The product of its (nonzero) digits is 110592, while the sum is 34.

Adding to 20022434144323 its reverse (32344143422002), we get a palindrome (52366577566325).

The spelling of 20022434144323 in words is "twenty trillion, twenty-two billion, four hundred thirty-four million, one hundred forty-four thousand, three hundred twenty-three".