20040232 has 16 divisors (see below), whose sum is σ = 37627200. Its totient is φ = 10006320.

The previous prime is 20040227. The next prime is 20040233. The reversal of 20040232 is 23204002.

It is a super-2 number, since 2×20040232² = 803221797227648, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (20040233) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 7107 + ... + 9517.

It is an arithmetic number, because the mean of its divisors is an integer number (2351700).

Almost surely, 2^20040232 is an apocalyptic number.

It is an amenable number.

20040232 is a deficient number, since it is larger than the sum of its proper divisors (17586968).

20040232 is a wasteful number, since it uses less digits than its factorization.

20040232 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3456 (or 3452 counting only the distinct ones).

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

The square root of 20040232 is about 4476.6317695339. The cubic root of 20040232 is about 271.6236505007.

Adding to 20040232 its reverse (23204002), we get a palindrome (43244234).

The spelling of 20040232 in words is "twenty million, forty thousand, two hundred thirty-two".