22205432520 has 96 divisors (see below), whose sum is σ = 72186491520. Its totient is φ = 5919903360.

The previous prime is 22205432503. The next prime is 22205432531. The reversal of 22205432520 is 2523450222.

22205432520 is a `hidden beast` number, since 2 + 2 + 205 + 432 + 5 + 20 = 666.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 2258415 + ... + 2268225.

It is an arithmetic number, because the mean of its divisors is an integer number (751942620).

Almost surely, 2^22205432520 is an apocalyptic number.

22205432520 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

22205432520 is an abundant number, since it is smaller than the sum of its proper divisors (49981059000).

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

22205432520 is a wasteful number, since it uses less digits than its factorization.

22205432520 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16115 (or 16108 counting only the distinct ones).

The product of its (nonzero) digits is 9600, while the sum is 27.

Adding to 22205432520 its reverse (2523450222), we get a palindrome (24728882742).

The spelling of 22205432520 in words is "twenty-two billion, two hundred five million, four hundred thirty-two thousand, five hundred twenty".