20522120430222 has 24 divisors (see below), whose sum is σ = 44498305154160. Its totient is φ = 6835520519520.

The previous prime is 20522120430187. The next prime is 20522120430247. The reversal of 20522120430222 is 22203402122502.

It is a happy number.

20522120430222 is a `hidden beast` number, since 2 + 0 + 5 + 2 + 2 + 1 + 2 + 0 + 430 + 222 = 666.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 432166479 + ... + 432213962.

It is an arithmetic number, because the mean of its divisors is an integer number (1854096048090).

Almost surely, 2^{20522120430222} is an apocalyptic number.

20522120430222 is an abundant number, since it is smaller than the sum of its proper divisors (23976184723938).

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

20522120430222 is a wasteful number, since it uses less digits than its factorization.

20522120430222 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 864381768 (or 864381765 counting only the distinct ones).

The product of its (nonzero) digits is 7680, while the sum is 27.

Adding to 20522120430222 its reverse (22203402122502), we get a palindrome (42725522552724).

The spelling of 20522120430222 in words is "twenty trillion, five hundred twenty-two billion, one hundred twenty million, four hundred thirty thousand, two hundred twenty-two".