20041432 has 16 divisors (see below), whose sum is σ = 37636200. Its totient is φ = 10005120.

The previous prime is 20041423. The next prime is 20041433. The reversal of 20041432 is 23414002.

It is a super-2 number, since 2×20041432² = 803317993221248, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20041433) 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, 4944 + ... + 8032.

Almost surely, 2^20041432 is an apocalyptic number.

It is an amenable number.

20041432 is a deficient number, since it is larger than the sum of its proper divisors (17594768).

20041432 is a wasteful number, since it uses less digits than its factorization.

20041432 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3906 (or 3902 counting only the distinct ones).

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

The square root of 20041432 is about 4476.7657968672. The cubic root of 20041432 is about 271.6290719595.

Adding to 20041432 its reverse (23414002), we get a palindrome (43455434).

The spelling of 20041432 in words is "twenty million, forty-one thousand, four hundred thirty-two".