20027432 has 32 divisors (see below), whose sum is σ = 38577600. Its totient is φ = 9744000.

The previous prime is 20027419. The next prime is 20027437. The reversal of 20027432 is 23472002.

It is a happy number.

It is not an unprimeable number, because it can be changed into a prime (20027437) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 71132 + ... + 71412.

It is an arithmetic number, because the mean of its divisors is an integer number (1205550).

Almost surely, 2^20027432 is an apocalyptic number.

It is an amenable number.

20027432 is a deficient number, since it is larger than the sum of its proper divisors (18550168).

20027432 is a wasteful number, since it uses less digits than its factorization.

20027432 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 497 (or 493 counting only the distinct ones).

The product of its (nonzero) digits is 672, while the sum is 20.

The square root of 20027432 is about 4475.2018948870. The cubic root of 20027432 is about 271.5658081361.

Adding to 20027432 its reverse (23472002), we get a palindrome (43499434).

The spelling of 20027432 in words is "twenty million, twenty-seven thousand, four hundred thirty-two".