20044463 has 2 divisors, whose sum is σ = 20044464. Its totient is φ = 20044462.

The previous prime is 20044459. The next prime is 20044499. The reversal of 20044463 is 36444002.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 20044463 - 2² = 20044459 is a prime.

It is a Sophie Germain prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (20044963) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 10022231 + 10022232.

It is an arithmetic number, because the mean of its divisors is an integer number (10022232).

Almost surely, 2^20044463 is an apocalyptic number.

20044463 is a deficient number, since it is larger than the sum of its proper divisors (1).

20044463 is an equidigital number, since it uses as much as digits as its factorization.

20044463 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 2304, while the sum is 23.

The square root of 20044463 is about 4477.1043097073. The cubic root of 20044463 is about 271.6427646972.

Adding to 20044463 its reverse (36444002), we get a palindrome (56488465).

The spelling of 20044463 in words is "twenty million, forty-four thousand, four hundred sixty-three".