20024416 has 12 divisors (see below), whose sum is σ = 39423132. Its totient is φ = 10012192.

The previous prime is 20024339. The next prime is 20024483. The reversal of 20024416 is 61442002.

It is a super-2 number, since 2×20024416² = 801954472282112, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 20024393 and 20024402.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 312850 + ... + 312913.

It is an arithmetic number, because the mean of its divisors is an integer number (3285261).

Almost surely, 2^20024416 is an apocalyptic number.

It is an amenable number.

20024416 is a deficient number, since it is larger than the sum of its proper divisors (19398716).

20024416 is an equidigital number, since it uses as much as digits as its factorization.

20024416 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 625773 (or 625765 counting only the distinct ones).

The product of its (nonzero) digits is 384, while the sum is 19.

The square root of 20024416 is about 4474.8649141622. The cubic root of 20024416 is about 271.5521754415.

Adding to 20024416 its reverse (61442002), we get a palindrome (81466418).

The spelling of 20024416 in words is "twenty million, twenty-four thousand, four hundred sixteen".