20444483 has 4 divisors (see below), whose sum is σ = 20879520. Its totient is φ = 20009448.

The previous prime is 20444471. The next prime is 20444491. The reversal of 20444483 is 38444402.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 20444483 - 2⁸ = 20444227 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (20449483) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 217448 + ... + 217541.

It is an arithmetic number, because the mean of its divisors is an integer number (5219880).

Almost surely, 2^20444483 is an apocalyptic number.

20444483 is a deficient number, since it is larger than the sum of its proper divisors (435037).

20444483 is an equidigital number, since it uses as much as digits as its factorization.

20444483 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 435036.

The product of its (nonzero) digits is 12288, while the sum is 29.

The square root of 20444483 is about 4521.5575856114. The cubic root of 20444483 is about 273.4379005360.

Adding to 20444483 its reverse (38444402), we get a palindrome (58888885).

The spelling of 20444483 in words is "twenty million, four hundred forty-four thousand, four hundred eighty-three".