20322363621340 has 96 divisors (see below), whose sum is σ = 47917080949248. Its totient is φ = 7177121952000.

The previous prime is 20322363621331. The next prime is 20322363621421. The reversal of 20322363621340 is 4312636322302.

It is a super-3 number, since 3×20322363621340³ (a number of 41 digits) contains 333 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 20322363621340.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 8662771 + ... + 10755850.

It is an arithmetic number, because the mean of its divisors is an integer number (499136259888).

Almost surely, 2^{20322363621340} is an apocalyptic number.

20322363621340 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

20322363621340 is an abundant number, since it is smaller than the sum of its proper divisors (27594717327908).

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

20322363621340 is a wasteful number, since it uses less digits than its factorization.

20322363621340 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 19418779 (or 19418777 counting only the distinct ones).

The product of its (nonzero) digits is 186624, while the sum is 37.

Adding to 20322363621340 its reverse (4312636322302), we get a palindrome (24634999943642).

The spelling of 20322363621340 in words is "twenty trillion, three hundred twenty-two billion, three hundred sixty-three million, six hundred twenty-one thousand, three hundred forty".