20144144112 has 40 divisors (see below), whose sum is σ = 52049347200. Its totient is φ = 6713384640.

The previous prime is 20144144057. The next prime is 20144144129. The reversal of 20144144112 is 21144144102.

It is a Harshad number since it is a multiple of its sum of digits (24).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 220287 + ... + 298017.

It is an arithmetic number, because the mean of its divisors is an integer number (1301233680).

Almost surely, 2^20144144112 is an apocalyptic number.

It is an amenable number.

20144144112 is an abundant number, since it is smaller than the sum of its proper divisors (31905203088).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

20144144112 is a wasteful number, since it uses less digits than its factorization.

20144144112 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 83141 (or 83135 counting only the distinct ones).

The product of its (nonzero) digits is 1024, while the sum is 24.

Adding to 20144144112 its reverse (21144144102), we get a palindrome (41288288214).

The spelling of 20144144112 in words is "twenty billion, one hundred forty-four million, one hundred forty-four thousand, one hundred twelve".