20320200222 has 16 divisors (see below), whose sum is σ = 46446172032. Its totient is φ = 5805771480.

The previous prime is 20320200217. The next prime is 20320200349. The reversal of 20320200222 is 22200202302.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 241907104 + ... + 241907187.

It is an arithmetic number, because the mean of its divisors is an integer number (2902885752).

Almost surely, 2^20320200222 is an apocalyptic number.

20320200222 is an abundant number, since it is smaller than the sum of its proper divisors (26125971810).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

20320200222 is a wasteful number, since it uses less digits than its factorization.

20320200222 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 483814303.

The product of its (nonzero) digits is 192, while the sum is 15.

Adding to 20320200222 its reverse (22200202302), we get a palindrome (42520402524).

The spelling of 20320200222 in words is "twenty billion, three hundred twenty million, two hundred thousand, two hundred twenty-two".