20244194 has 8 divisors (see below), whose sum is σ = 30466128. Its totient is φ = 10088820.

The previous prime is 20244193. The next prime is 20244199. The reversal of 20244194 is 49144202.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not an unprimeable number, because it can be changed into a prime (20244193) 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 3 ways as a sum of consecutive naturals, for example, 15872 + ... + 17099.

It is an arithmetic number, because the mean of its divisors is an integer number (3808266).

Almost surely, 2^20244194 is an apocalyptic number.

20244194 is a deficient number, since it is larger than the sum of its proper divisors (10221934).

20244194 is a wasteful number, since it uses less digits than its factorization.

20244194 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 33280.

The product of its (nonzero) digits is 2304, while the sum is 26.

The square root of 20244194 is about 4499.3548426413. The cubic root of 20244194 is about 272.5420365529.

Adding to 20244194 its reverse (49144202), we get a palindrome (69388396).

The spelling of 20244194 in words is "twenty million, two hundred forty-four thousand, one hundred ninety-four".