22193530920 has 192 divisors, whose sum is σ = 80813341440. Its totient is φ = 5234803200.

The previous prime is 22193530903. The next prime is 22193530999. The reversal of 22193530920 is 2903539122.

22193530920 is a `hidden beast` number, since 2 + 219 + 353 + 0 + 92 + 0 = 666.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 70785 + ... + 222255.

It is an arithmetic number, because the mean of its divisors is an integer number (420902820).

Almost surely, 2^22193530920 is an apocalyptic number.

22193530920 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 22193530920, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (40406670720).

22193530920 is an abundant number, since it is smaller than the sum of its proper divisors (58619810520).

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

22193530920 is a wasteful number, since it uses less digits than its factorization.

22193530920 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 151536 (or 151529 counting only the distinct ones).

The product of its (nonzero) digits is 29160, while the sum is 36.

The spelling of 22193530920 in words is "twenty-two billion, one hundred ninety-three million, five hundred thirty thousand, nine hundred twenty".