20322363621342 has 32 divisors (see below), whose sum is σ = 41341128595200. Its totient is φ = 6658874576640.

The previous prime is 20322363621331. The next prime is 20322363621421. The reversal of 20322363621342 is 24312636322302.

It is a self number, because there is not a number n which added to its sum of digits gives 20322363621342.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (29) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 102433459 + ... + 102631662.

It is an arithmetic number, because the mean of its divisors is an integer number (1291910268600).

Almost surely, 2^{20322363621342} is an apocalyptic number.

20322363621342 is an abundant number, since it is smaller than the sum of its proper divisors (21018764973858).

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

20322363621342 is a wasteful number, since it uses less digits than its factorization.

20322363621342 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 205065408.

The product of its (nonzero) digits is 373248, while the sum is 39.

Adding to 20322363621342 its reverse (24312636322302), we get a palindrome (44634999943644).

The spelling of 20322363621342 in words is "twenty trillion, three hundred twenty-two billion, three hundred sixty-three million, six hundred twenty-one thousand, three hundred forty-two".