20043152 has 20 divisors (see below), whose sum is σ = 38909340. Its totient is φ = 10002048.

The previous prime is 20043151. The next prime is 20043161. The reversal of 20043152 is 25134002.

It can be written as a sum of positive squares in 2 ways, for example, as 12988816 + 7054336 = 3604^2 + 2656^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 20043152.

It is not an unprimeable number, because it can be changed into a prime (20043151) 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, 10874 + ... + 12582.

It is an arithmetic number, because the mean of its divisors is an integer number (1945467).

Almost surely, 2^20043152 is an apocalyptic number.

It is an amenable number.

20043152 is a deficient number, since it is larger than the sum of its proper divisors (18866188).

20043152 is a wasteful number, since it uses less digits than its factorization.

20043152 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2450 (or 2444 counting only the distinct ones).

The product of its (nonzero) digits is 240, while the sum is 17.

The square root of 20043152 is about 4476.9578957145. The cubic root of 20043152 is about 271.6368423396.

Adding to 20043152 its reverse (25134002), we get a palindrome (45177154).

The spelling of 20043152 in words is "twenty million, forty-three thousand, one hundred fifty-two".