20004232 has 8 divisors (see below), whose sum is σ = 37507950. Its totient is φ = 10002112.

The previous prime is 20004221. The next prime is 20004233. The reversal of 20004232 is 23240002.

It can be written as a sum of positive squares in only one way, i.e., 19131876 + 872356 = 4374^2 + 934^2 .

It is a tau number, because it is divible by the number of its divisors (8).

It is not an unprimeable number, because it can be changed into a prime (20004233) 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 as a sum of consecutive naturals, namely, 1250257 + ... + 1250272.

Almost surely, 2^20004232 is an apocalyptic number.

It is an amenable number.

20004232 is a deficient number, since it is larger than the sum of its proper divisors (17503718).

20004232 is a wasteful number, since it uses less digits than its factorization.

20004232 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2500535 (or 2500531 counting only the distinct ones).

The product of its (nonzero) digits is 96, while the sum is 13.

The square root of 20004232 is about 4472.6090819565. The cubic root of 20004232 is about 271.4609060015.

Adding to 20004232 its reverse (23240002), we get a palindrome (43244234).

The spelling of 20004232 in words is "twenty million, four thousand, two hundred thirty-two".