20224246 has 16 divisors (see below), whose sum is σ = 36495360. Its totient is φ = 8211240.

The previous prime is 20224229. The next prime is 20224247. The reversal of 20224246 is 64242202.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20224247) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 37750 + ... + 38281.

It is an arithmetic number, because the mean of its divisors is an integer number (2280960).

Almost surely, 2^20224246 is an apocalyptic number.

20224246 is a deficient number, since it is larger than the sum of its proper divisors (16271114).

20224246 is a wasteful number, since it uses less digits than its factorization.

20224246 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 76059.

The product of its (nonzero) digits is 1536, while the sum is 22.

The square root of 20224246 is about 4497.1375340321. The cubic root of 20224246 is about 272.4524889814.

Adding to 20224246 its reverse (64242202), we get a palindrome (84466448).

The spelling of 20224246 in words is "twenty million, two hundred twenty-four thousand, two hundred forty-six".