20144032 has 24 divisors (see below), whose sum is σ = 39759552. Its totient is φ = 10046400.

The previous prime is 20144027. The next prime is 20144039. The reversal of 20144032 is 23044102.

It is a Harshad number since it is a multiple of its sum of digits (16).

It is a junction number, because it is equal to n+sod(n) for n = 20143997 and 20144015.

It is not an unprimeable number, because it can be changed into a prime (20144039) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 21657 + ... + 22567.

It is an arithmetic number, because the mean of its divisors is an integer number (1656648).

Almost surely, 2^20144032 is an apocalyptic number.

It is an amenable number.

20144032 is a deficient number, since it is larger than the sum of its proper divisors (19615520).

20144032 is an equidigital number, since it uses as much as digits as its factorization.

20144032 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1612 (or 1604 counting only the distinct ones).

The product of its (nonzero) digits is 192, while the sum is 16.

The square root of 20144032 is about 4488.2103337522. The cubic root of 20144032 is about 272.0918086852.

Adding to 20144032 its reverse (23044102), we get a palindrome (43188134).

The spelling of 20144032 in words is "twenty million, one hundred forty-four thousand, thirty-two".