20024284 has 12 divisors (see below), whose sum is σ = 40048624. Its totient is φ = 8581824.

The previous prime is 20024219. The next prime is 20024299. The reversal of 20024284 is 48242002.

20024284 is an admirable number.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 357549 + ... + 357604.

Almost surely, 2^20024284 is an apocalyptic number.

It is an amenable number.

20024284 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

20024284 is a wasteful number, since it uses less digits than its factorization.

20024284 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 715164 (or 715162 counting only the distinct ones).

The product of its (nonzero) digits is 1024, while the sum is 22.

The square root of 20024284 is about 4474.8501650893. The cubic root of 20024284 is about 271.5515787538.

Adding to 20024284 its reverse (48242002), we get a palindrome (68266286).

The spelling of 20024284 in words is "twenty million, twenty-four thousand, two hundred eighty-four".