20024016 has 40 divisors (see below), whose sum is σ = 53401344. Its totient is φ = 6458880.

The previous prime is 20024009. The next prime is 20024077. The reversal of 20024016 is 61042002.

It is a super-2 number, since 2×20024016² = 801922433536512, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 20023986 and 20024004.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 5241 + ... + 8216.

Almost surely, 2^20024016 is an apocalyptic number.

It is an amenable number.

20024016 is an abundant number, since it is smaller than the sum of its proper divisors (33377328).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

20024016 is a wasteful number, since it uses less digits than its factorization.

20024016 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13499 (or 13493 counting only the distinct ones).

The product of its (nonzero) digits is 96, while the sum is 15.

The square root of 20024016 is about 4474.8202198524. The cubic root of 20024016 is about 271.5503672890.

Adding to 20024016 its reverse (61042002), we get a palindrome (81066018).

The spelling of 20024016 in words is "twenty million, twenty-four thousand, sixteen".