22020030320 has 20 divisors (see below), whose sum is σ = 51196570680. Its totient is φ = 8808012096.

The previous prime is 22020030293. The next prime is 22020030337. The reversal of 22020030320 is 2303002022.

It is a tau number, because it is divible by the number of its divisors (20).

It is a junction number, because it is equal to n+sod(n) for n = 22020030295 and 22020030304.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 137625110 + ... + 137625269.

It is an arithmetic number, because the mean of its divisors is an integer number (2559828534).

Almost surely, 2^22020030320 is an apocalyptic number.

22020030320 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

22020030320 is an abundant number, since it is smaller than the sum of its proper divisors (29176540360).

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

22020030320 is a wasteful number, since it uses less digits than its factorization.

22020030320 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 275250392 (or 275250386 counting only the distinct ones).

The product of its (nonzero) digits is 144, while the sum is 14.

Adding to 22020030320 its reverse (2303002022), we get a palindrome (24323032342).

The spelling of 22020030320 in words is "twenty-two billion, twenty million, thirty thousand, three hundred twenty".