20140144124 has 24 divisors (see below), whose sum is σ = 35538144768. Its totient is φ = 9986457600.

The previous prime is 20140144109. The next prime is 20140144133. The reversal of 20140144124 is 42144104102.

It is a self number, because there is not a number n which added to its sum of digits gives 20140144124.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1391324 + ... + 1405724.

It is an arithmetic number, because the mean of its divisors is an integer number (1480756032).

Almost surely, 2^20140144124 is an apocalyptic number.

It is an amenable number.

20140144124 is a deficient number, since it is larger than the sum of its proper divisors (15398000644).

20140144124 is a wasteful number, since it uses less digits than its factorization.

20140144124 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 17285 (or 17283 counting only the distinct ones).

The product of its (nonzero) digits is 1024, while the sum is 23.

Adding to 20140144124 its reverse (42144104102), we get a palindrome (62284248226).

The spelling of 20140144124 in words is "twenty billion, one hundred forty million, one hundred forty-four thousand, one hundred twenty-four".