20143124 has 12 divisors (see below), whose sum is σ = 36783264. Its totient is φ = 9633624.

The previous prime is 20143099. The next prime is 20143129. The reversal of 20143124 is 42134102.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20143129) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 109382 + ... + 109565.

It is an arithmetic number, because the mean of its divisors is an integer number (3065272).

Almost surely, 2^20143124 is an apocalyptic number.

It is an amenable number.

20143124 is a deficient number, since it is larger than the sum of its proper divisors (16640140).

20143124 is a wasteful number, since it uses less digits than its factorization.

20143124 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 218974 (or 218972 counting only the distinct ones).

The product of its (nonzero) digits is 192, while the sum is 17.

The square root of 20143124 is about 4488.1091787077. The cubic root of 20143124 is about 272.0877204094.

Adding to 20143124 its reverse (42134102), we get a palindrome (62277226).

The spelling of 20143124 in words is "twenty million, one hundred forty-three thousand, one hundred twenty-four".