20504483 has 4 divisors (see below), whose sum is σ = 20550600. Its totient is φ = 20458368.

The previous prime is 20504461. The next prime is 20504501. The reversal of 20504483 is 38440502.

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 20504483 - 2¹⁰ = 20503459 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (20504413) 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, 22385 + ... + 23282.

It is an arithmetic number, because the mean of its divisors is an integer number (5137650).

Almost surely, 2^20504483 is an apocalyptic number.

20504483 is a deficient number, since it is larger than the sum of its proper divisors (46117).

20504483 is an equidigital number, since it uses as much as digits as its factorization.

20504483 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 46116.

The product of its (nonzero) digits is 3840, while the sum is 26.

The square root of 20504483 is about 4528.1876065375. The cubic root of 20504483 is about 273.7051323782.

Adding to 20504483 its reverse (38440502), we get a palindrome (58944985).

The spelling of 20504483 in words is "twenty million, five hundred four thousand, four hundred eighty-three".