22220311301320 has 256 divisors, whose sum is σ = 57198273120000. Its totient is φ = 7694719979520.

The previous prime is 22220311301317. The next prime is 22220311301339. The reversal of 22220311301320 is 2310311302222.

It is a Harshad number since it is a multiple of its sum of digits (22).

It is a junction number, because it is equal to n+sod(n) for n = 22220311301291 and 22220311301300.

It is an unprimeable number.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 312622746 + ... + 312693814.

It is an arithmetic number, because the mean of its divisors is an integer number (223430754375).

Almost surely, 2^{22220311301320} is an apocalyptic number.

22220311301320 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 22220311301320, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (28599136560000).

22220311301320 is an abundant number, since it is smaller than the sum of its proper divisors (34977961818680).

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

22220311301320 is a wasteful number, since it uses less digits than its factorization.

22220311301320 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 71456 (or 71452 counting only the distinct ones).

The product of its (nonzero) digits is 864, while the sum is 22.

Adding to 22220311301320 its reverse (2310311302222), we get a palindrome (24530622603542).

The spelling of 22220311301320 in words is "twenty-two trillion, two hundred twenty billion, three hundred eleven million, three hundred one thousand, three hundred twenty".