20024036 has 24 divisors (see below), whose sum is σ = 36945720. Its totient is φ = 9481472.

The previous prime is 20024009. The next prime is 20024077. The reversal of 20024036 is 63042002.

It can be written as a sum of positive squares in 4 ways, for example, as 8667136 + 11356900 = 2944^2 + 3370^2 .

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4520 + ... + 7776.

It is an arithmetic number, because the mean of its divisors is an integer number (1539405).

Almost surely, 2^20024036 is an apocalyptic number.

It is an amenable number.

20024036 is a deficient number, since it is larger than the sum of its proper divisors (16921684).

20024036 is a wasteful number, since it uses less digits than its factorization.

20024036 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3343 (or 3341 counting only the distinct ones).

The product of its (nonzero) digits is 288, while the sum is 17.

The square root of 20024036 is about 4474.8224545785. The cubic root of 20024036 is about 271.5504576972.

Adding to 20024036 its reverse (63042002), we get a palindrome (83066038).

The spelling of 20024036 in words is "twenty million, twenty-four thousand, thirty-six".