20024476 has 6 divisors (see below), whose sum is σ = 35042840. Its totient is φ = 10012236.

The previous prime is 20024339. The next prime is 20024483. The reversal of 20024476 is 67442002.

It is a self number, because there is not a number n which added to its sum of digits gives 20024476.

It is a congruent number.

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 as a sum of consecutive naturals, namely, 2503056 + ... + 2503063.

Almost surely, 2^20024476 is an apocalyptic number.

It is an amenable number.

20024476 is a deficient number, since it is larger than the sum of its proper divisors (15018364).

20024476 is a wasteful number, since it uses less digits than its factorization.

20024476 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5006123 (or 5006121 counting only the distinct ones).

The product of its (nonzero) digits is 2688, while the sum is 25.

The square root of 20024476 is about 4474.8716182702. The cubic root of 20024476 is about 271.5524466623.

Adding to 20024476 its reverse (67442002), we get a palindrome (87466478).

The spelling of 20024476 in words is "twenty million, twenty-four thousand, four hundred seventy-six".