22020131030320 has 80 divisors (see below), whose sum is σ = 51548043571200. Its totient is φ = 8747651808000.

The previous prime is 22020131030311. The next prime is 22020131030323. The reversal of 22020131030320 is 2303013102022.

It is a tau number, because it is divible by the number of its divisors (80).

It is not an unprimeable number, because it can be changed into a prime (22020131030323) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 51380281 + ... + 51807079.

It is an arithmetic number, because the mean of its divisors is an integer number (644350544640).

Almost surely, 2^{22020131030320} is an apocalyptic number.

22020131030320 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 22020131030320, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (25774021785600).

22020131030320 is an abundant number, since it is smaller than the sum of its proper divisors (29527912540880).

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

22020131030320 is a wasteful number, since it uses less digits than its factorization.

22020131030320 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 431234 (or 431228 counting only the distinct ones).

The product of its (nonzero) digits is 432, while the sum is 19.

Adding to 22020131030320 its reverse (2303013102022), we get a palindrome (24323144132342).

The spelling of 22020131030320 in words is "twenty-two trillion, twenty billion, one hundred thirty-one million, thirty thousand, three hundred twenty".