20043316 has 12 divisors (see below), whose sum is σ = 35125888. Its totient is φ = 10007352.

The previous prime is 20043311. The next prime is 20043337. The reversal of 20043316 is 61334002.

It is a junction number, because it is equal to n+sod(n) for n = 20043293 and 20043302.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20043311) 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, 36 + ... + 6331.

Almost surely, 2^20043316 is an apocalyptic number.

It is an amenable number.

20043316 is a deficient number, since it is larger than the sum of its proper divisors (15082572).

20043316 is a wasteful number, since it uses less digits than its factorization.

20043316 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7158 (or 7156 counting only the distinct ones).

The product of its (nonzero) digits is 432, while the sum is 19.

The square root of 20043316 is about 4476.9762116857. The cubic root of 20043316 is about 271.6375832132.

Adding to 20043316 its reverse (61334002), we get a palindrome (81377318).

The spelling of 20043316 in words is "twenty million, forty-three thousand, three hundred sixteen".