20322205 has 8 divisors (see below), whose sum is σ = 25173504. Its totient is φ = 15733200.

The previous prime is 20322199. The next prime is 20322227. The reversal of 20322205 is 50222302.

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

It is not a de Polignac number, because 20322205 - 2⁵ = 20322173 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 65401 + ... + 65710.

It is an arithmetic number, because the mean of its divisors is an integer number (3146688).

Almost surely, 2^20322205 is an apocalyptic number.

It is an amenable number.

20322205 is a deficient number, since it is larger than the sum of its proper divisors (4851299).

20322205 is a wasteful number, since it uses less digits than its factorization.

20322205 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 131147.

The product of its (nonzero) digits is 240, while the sum is 16.

The square root of 20322205 is about 4508.0156388371. The cubic root of 20322205 is about 272.8916680739.

Adding to 20322205 its reverse (50222302), we get a palindrome (70544507).

The spelling of 20322205 in words is "twenty million, three hundred twenty-two thousand, two hundred five".