20144104144 has 20 divisors (see below), whose sum is σ = 39034973824. Its totient is φ = 10070562528.

The previous prime is 20144104121. The next prime is 20144104147. The reversal of 20144104144 is 44140144102.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20144104147) 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, 22849 + ... + 202015.

Almost surely, 2^20144104144 is an apocalyptic number.

It is an amenable number.

20144104144 is a deficient number, since it is larger than the sum of its proper divisors (18890869680).

20144104144 is a wasteful number, since it uses less digits than its factorization.

20144104144 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 186202 (or 186196 counting only the distinct ones).

The product of its (nonzero) digits is 2048, while the sum is 25.

Adding to 20144104144 its reverse (44140144102), we get a palindrome (64284248246).

The spelling of 20144104144 in words is "twenty billion, one hundred forty-four million, one hundred four thousand, one hundred forty-four".