20365244 has 18 divisors (see below), whose sum is σ = 36638280. Its totient is φ = 9904752.

The previous prime is 20365237. The next prime is 20365249. The reversal of 20365244 is 44256302.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20365249) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 3617 + ... + 7335.

It is an arithmetic number, because the mean of its divisors is an integer number (2035460).

Almost surely, 2^20365244 is an apocalyptic number.

It is an amenable number.

20365244 is a deficient number, since it is larger than the sum of its proper divisors (16273036).

20365244 is a wasteful number, since it uses less digits than its factorization.

20365244 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3797 (or 3758 counting only the distinct ones).

The product of its (nonzero) digits is 5760, while the sum is 26.

The square root of 20365244 is about 4512.7867221928. The cubic root of 20365244 is about 273.0841784002.

The spelling of 20365244 in words is "twenty million, three hundred sixty-five thousand, two hundred forty-four".