22000320133020 has 144 divisors (see below), whose sum is σ = 67733968393728. Its totient is φ = 5778878878080.

The previous prime is 22000320132997. The next prime is 22000320133027. The reversal of 22000320133020 is 2033102300022.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a junction number, because it is equal to n+sod(n) for n = 22000320132984 and 22000320133002.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22000320133027) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 302802337 + ... + 302874983.

It is an arithmetic number, because the mean of its divisors is an integer number (470374780512).

Almost surely, 2^{22000320133020} is an apocalyptic number.

22000320133020 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 22000320133020, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (33866984196864).

22000320133020 is an abundant number, since it is smaller than the sum of its proper divisors (45733648260708).

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

22000320133020 is a wasteful number, since it uses less digits than its factorization.

22000320133020 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 97840 (or 97835 counting only the distinct ones).

The product of its (nonzero) digits is 432, while the sum is 18.

Adding to 22000320133020 its reverse (2033102300022), we get a palindrome (24033422433042).

The spelling of 22000320133020 in words is "twenty-two trillion, three hundred twenty million, one hundred thirty-three thousand, twenty".