20144192 has 28 divisors (see below), whose sum is σ = 40239696. Its totient is φ = 10005120.

The previous prime is 20144143. The next prime is 20144209. The reversal of 20144192 is 29144102.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 9467 + ... + 11397.

It is an arithmetic number, because the mean of its divisors is an integer number (1437132).

Almost surely, 2^20144192 is an apocalyptic number.

It is an amenable number.

20144192 is a deficient number, since it is larger than the sum of its proper divisors (20095504).

20144192 is a wasteful number, since it uses less digits than its factorization.

20144192 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2106 (or 2096 counting only the distinct ones).

The product of its (nonzero) digits is 576, while the sum is 23.

The square root of 20144192 is about 4488.2281581934. The cubic root of 20144192 is about 272.0925290735.

Adding to 20144192 its reverse (29144102), we get a palindrome (49288294).

The spelling of 20144192 in words is "twenty million, one hundred forty-four thousand, one hundred ninety-two".