20242444 has 12 divisors (see below), whose sum is σ = 37508184. Its totient is φ = 9525824.

The previous prime is 20242433. The next prime is 20242447. The reversal of 20242444 is 44424202.

It is not an unprimeable number, because it can be changed into a prime (20242447) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 148774 + ... + 148909.

It is an arithmetic number, because the mean of its divisors is an integer number (3125682).

Almost surely, 2^20242444 is an apocalyptic number.

It is an amenable number.

20242444 is a deficient number, since it is larger than the sum of its proper divisors (17265740).

20242444 is a wasteful number, since it uses less digits than its factorization.

20242444 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 297704 (or 297702 counting only the distinct ones).

The product of its (nonzero) digits is 2048, while the sum is 22.

The square root of 20242444 is about 4499.1603661128. The cubic root of 20242444 is about 272.5341830698.

Adding to 20242444 its reverse (44424202), we get a palindrome (64666646).

The spelling of 20242444 in words is "twenty million, two hundred forty-two thousand, four hundred forty-four".