20052205 has 8 divisors (see below), whose sum is σ = 25108992. Its totient is φ = 15344208.

The previous prime is 20052181. The next prime is 20052209. The reversal of 20052205 is 50225002.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 20052205 - 2⁷ = 20052077 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20052209) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 87069 + ... + 87298.

It is an arithmetic number, because the mean of its divisors is an integer number (3138624).

Almost surely, 2^20052205 is an apocalyptic number.

It is an amenable number.

20052205 is a deficient number, since it is larger than the sum of its proper divisors (5056787).

20052205 is a wasteful number, since it uses less digits than its factorization.

20052205 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 174395.

The product of its (nonzero) digits is 200, while the sum is 16.

The square root of 20052205 is about 4477.9688475915. The cubic root of 20052205 is about 271.6777334161.

Adding to 20052205 its reverse (50225002), we get a palindrome (70277207).

The spelling of 20052205 in words is "twenty million, fifty-two thousand, two hundred five".