20112416 has 24 divisors (see below), whose sum is σ = 39756780. Its totient is φ = 10015488.

The previous prime is 20112413. The next prime is 20112439. The reversal of 20112416 is 61421102.

It can be written as a sum of positive squares in 2 ways, for example, as 16032016 + 4080400 = 4004^2 + 2020^2 .

It is a junction number, because it is equal to n+sod(n) for n = 20112394 and 20112403.

It is not an unprimeable number, because it can be changed into a prime (20112413) 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, 7730 + ... + 9998.

Almost surely, 2^20112416 is an apocalyptic number.

It is an amenable number.

20112416 is a deficient number, since it is larger than the sum of its proper divisors (19644364).

20112416 is a wasteful number, since it uses less digits than its factorization.

20112416 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2556 (or 2548 counting only the distinct ones).

The product of its (nonzero) digits is 96, while the sum is 17.

The square root of 20112416 is about 4484.6868341056. The cubic root of 20112416 is about 271.9493850456.

Adding to 20112416 its reverse (61421102), we get a palindrome (81533518).

The spelling of 20112416 in words is "twenty million, one hundred twelve thousand, four hundred sixteen".