20302143222422 has 16 divisors (see below), whose sum is σ = 32256084159792. Its totient is φ = 9550541233920.

The previous prime is 20302143222421. The next prime is 20302143222463. The reversal of 20302143222422 is 22422234120302.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20302143222421) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 106419479 + ... + 106610082.

It is an arithmetic number, because the mean of its divisors is an integer number (2016005259987).

Almost surely, 2^{20302143222422} is an apocalyptic number.

20302143222422 is a deficient number, since it is larger than the sum of its proper divisors (11953940937370).

20302143222422 is a wasteful number, since it uses less digits than its factorization.

20302143222422 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 213032383.

The product of its (nonzero) digits is 18432, while the sum is 29.

Adding to 20302143222422 its reverse (22422234120302), we get a palindrome (42724377342724).

The spelling of 20302143222422 in words is "twenty trillion, three hundred two billion, one hundred forty-three million, two hundred twenty-two thousand, four hundred twenty-two".