20144104 has 16 divisors (see below), whose sum is σ = 39758400. Its totient is φ = 9541872.

The previous prime is 20144101. The next prime is 20144107. The reversal of 20144104 is 40144102.

It is an interprime number because it is at equal distance from previous prime (20144101) and next prime (20144107).

It is not an unprimeable number, because it can be changed into a prime (20144101) 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, 66112 + ... + 66415.

It is an arithmetic number, because the mean of its divisors is an integer number (2484900).

Almost surely, 2^20144104 is an apocalyptic number.

It is an amenable number.

20144104 is a deficient number, since it is larger than the sum of its proper divisors (19614296).

20144104 is a wasteful number, since it uses less digits than its factorization.

20144104 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 132552 (or 132548 counting only the distinct ones).

The product of its (nonzero) digits is 128, while the sum is 16.

The square root of 20144104 is about 4488.2183547595. The cubic root of 20144104 is about 272.0921328604.

Adding to 20144104 its reverse (40144102), we get a palindrome (60288206).

The spelling of 20144104 in words is "twenty million, one hundred forty-four thousand, one hundred four".