20482205 has 4 divisors (see below), whose sum is σ = 24578652. Its totient is φ = 16385760.

The previous prime is 20482183. The next prime is 20482223. The reversal of 20482205 is 50228402.

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

It can be written as a sum of positive squares in 2 ways, for example, as 12124324 + 8357881 = 3482^2 + 2891^2 .

It is not a de Polignac number, because 20482205 - 2¹² = 20478109 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a plaindrome in base 16.

It is a congruent number.

It is an unprimeable number.

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, 2048216 + ... + 2048225.

It is an arithmetic number, because the mean of its divisors is an integer number (6144663).

Almost surely, 2^20482205 is an apocalyptic number.

It is an amenable number.

20482205 is a deficient number, since it is larger than the sum of its proper divisors (4096447).

20482205 is an equidigital number, since it uses as much as digits as its factorization.

20482205 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4096446.

The product of its (nonzero) digits is 1280, while the sum is 23.

The square root of 20482205 is about 4525.7270134201. The cubic root of 20482205 is about 273.6059701184.

The spelling of 20482205 in words is "twenty million, four hundred eighty-two thousand, two hundred five".