20244484 has 24 divisors (see below), whose sum is σ = 40399128. Its totient is φ = 8793600.

The previous prime is 20244479. The next prime is 20244491. The reversal of 20244484 is 48444202.

It can be written as a sum of positive squares in 4 ways, for example, as 7840000 + 12404484 = 2800^2 + 3522^2 .

It is a hoax number, since the sum of its digits (28) coincides with the sum of the digits of its distinct prime factors.

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, 10567 + ... + 12334.

It is an arithmetic number, because the mean of its divisors is an integer number (1683297).

Almost surely, 2^20244484 is an apocalyptic number.

It is an amenable number.

20244484 is a deficient number, since it is larger than the sum of its proper divisors (20154644).

20244484 is a wasteful number, since it uses less digits than its factorization.

20244484 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 22935 (or 22933 counting only the distinct ones).

The product of its (nonzero) digits is 8192, while the sum is 28.

The square root of 20244484 is about 4499.3870693684. The cubic root of 20244484 is about 272.5433379435.

Adding to 20244484 its reverse (48444202), we get a palindrome (68688686).

The spelling of 20244484 in words is "twenty million, two hundred forty-four thousand, four hundred eighty-four".