20144221303023 has 12 divisors (see below), whose sum is σ = 29773887817960. Its totient is φ = 13117167359856.

The previous prime is 20144221302943. The next prime is 20144221303057. The reversal of 20144221303023 is 32030312244102.

20144221303023 is a `hidden beast` number, since 2 + 0 + 1 + 442 + 213 + 0 + 3 + 0 + 2 + 3 = 666.

It is not a de Polignac number, because 20144221303023 - 2⁹ = 20144221302511 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 (20144221303123) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 26026125328 + ... + 26026126101.

Almost surely, 2^{20144221303023} is an apocalyptic number.

20144221303023 is a deficient number, since it is larger than the sum of its proper divisors (9629666514937).

20144221303023 is a wasteful number, since it uses less digits than its factorization.

20144221303023 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 52052251478 (or 52052251475 counting only the distinct ones).

The product of its (nonzero) digits is 6912, while the sum is 27.

Adding to 20144221303023 its reverse (32030312244102), we get a palindrome (52174533547125).

The spelling of 20144221303023 in words is "twenty trillion, one hundred forty-four billion, two hundred twenty-one million, three hundred three thousand, twenty-three".