20244704 has 12 divisors (see below), whose sum is σ = 39856824. Its totient is φ = 10122336.

The previous prime is 20244691. The next prime is 20244713. The reversal of 20244704 is 40744202.

It is a self number, because there is not a number n which added to its sum of digits gives 20244704.

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, 316292 + ... + 316355.

It is an arithmetic number, because the mean of its divisors is an integer number (3321402).

Almost surely, 2^20244704 is an apocalyptic number.

It is an amenable number.

20244704 is a deficient number, since it is larger than the sum of its proper divisors (19612120).

20244704 is an equidigital number, since it uses as much as digits as its factorization.

20244704 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 632657 (or 632649 counting only the distinct ones).

The product of its (nonzero) digits is 1792, while the sum is 23.

The square root of 20244704 is about 4499.4115170764. The cubic root of 20244704 is about 272.5443251971.

Adding to 20244704 its reverse (40744202), we get a palindrome (60988906).

The spelling of 20244704 in words is "twenty million, two hundred forty-four thousand, seven hundred four".