20024404 has 24 divisors (see below), whose sum is σ = 37124640. Its totient is φ = 9424224.

The previous prime is 20024339. The next prime is 20024483. The reversal of 20024404 is 40442002.

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, 12387 + ... + 13909.

It is an arithmetic number, because the mean of its divisors is an integer number (1546860).

Almost surely, 2^20024404 is an apocalyptic number.

It is an amenable number.

20024404 is a deficient number, since it is larger than the sum of its proper divisors (17100236).

20024404 is a wasteful number, since it uses less digits than its factorization.

20024404 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1719 (or 1717 counting only the distinct ones).

The product of its (nonzero) digits is 256, while the sum is 16.

The square root of 20024404 is about 4474.8635733394. The cubic root of 20024404 is about 271.5521211973.

Adding to 20024404 its reverse (40442002), we get a palindrome (60466406).

The spelling of 20024404 in words is "twenty million, twenty-four thousand, four hundred four".