20044293 has 8 divisors (see below), whose sum is σ = 27887808. Its totient is φ = 12781824.

The previous prime is 20044243. The next prime is 20044303. The reversal of 20044293 is 39244002.

It is a happy number.

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

It is not a de Polignac number, because 20044293 - 2⁹ = 20043781 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20044243) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 145180 + ... + 145317.

It is an arithmetic number, because the mean of its divisors is an integer number (3485976).

Almost surely, 2^20044293 is an apocalyptic number.

20044293 is a gapful number since it is divisible by the number (23) formed by its first and last digit.

It is an amenable number.

20044293 is a deficient number, since it is larger than the sum of its proper divisors (7843515).

20044293 is a wasteful number, since it uses less digits than its factorization.

20044293 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 290523.

The product of its (nonzero) digits is 1728, while the sum is 24.

The square root of 20044293 is about 4477.0853241813. The cubic root of 20044293 is about 271.6419967478.

Adding to 20044293 its reverse (39244002), we get a palindrome (59288295).

The spelling of 20044293 in words is "twenty million, forty-four thousand, two hundred ninety-three".