20023414144 has 16 divisors (see below), whose sum is σ = 39890395620. Its totient is φ = 10011707008.

The previous prime is 20023414133. The next prime is 20023414199. The reversal of 20023414144 is 44141432002.

It is a tau number, because it is divible by the number of its divisors (16).

It is a super-2 number, since 2×20023414144² (a number of 21 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 78216334 + ... + 78216589.

Almost surely, 2^20023414144 is an apocalyptic number.

It is an amenable number.

20023414144 is a deficient number, since it is larger than the sum of its proper divisors (19866981476).

20023414144 is an equidigital number, since it uses as much as digits as its factorization.

20023414144 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 156432937 (or 156432925 counting only the distinct ones).

The product of its (nonzero) digits is 3072, while the sum is 25.

Adding to 20023414144 its reverse (44141432002), we get a palindrome (64164846146).

The spelling of 20023414144 in words is "twenty billion, twenty-three million, four hundred fourteen thousand, one hundred forty-four".