20482403 has 4 divisors (see below), whose sum is σ = 20579688. Its totient is φ = 20385120.

The previous prime is 20482391. The next prime is 20482463. The reversal of 20482403 is 30428402.

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 20482403 - 2⁴ = 20482387 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (20482463) 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 3 ways as a sum of consecutive naturals, for example, 48326 + ... + 48747.

It is an arithmetic number, because the mean of its divisors is an integer number (5144922).

Almost surely, 2^20482403 is an apocalyptic number.

20482403 is a deficient number, since it is larger than the sum of its proper divisors (97285).

20482403 is an equidigital number, since it uses as much as digits as its factorization.

20482403 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 97284.

The product of its (nonzero) digits is 1536, while the sum is 23.

The square root of 20482403 is about 4525.7488883057. The cubic root of 20482403 is about 273.6068517586.

The spelling of 20482403 in words is "twenty million, four hundred eighty-two thousand, four hundred three".