20044353 has 16 divisors (see below), whose sum is σ = 30606336. Its totient is φ = 11430480.

The previous prime is 20044351. The next prime is 20044357. The reversal of 20044353 is 35344002.

It is a happy number.

It is not a de Polignac number, because 20044353 - 2¹ = 20044351 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (21).

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (20044351) 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 15 ways as a sum of consecutive naturals, for example, 19900 + ... + 20882.

It is an arithmetic number, because the mean of its divisors is an integer number (1912896).

Almost surely, 2^20044353 is an apocalyptic number.

It is an amenable number.

20044353 is a deficient number, since it is larger than the sum of its proper divisors (10561983).

20044353 is an equidigital number, since it uses as much as digits as its factorization.

20044353 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1964.

The product of its (nonzero) digits is 1440, while the sum is 21.

The square root of 20044353 is about 4477.0920249644. The cubic root of 20044353 is about 271.6422677892.

Adding to 20044353 its reverse (35344002), we get a palindrome (55388355).

The spelling of 20044353 in words is "twenty million, forty-four thousand, three hundred fifty-three".