22120335432 has 48 divisors (see below), whose sum is σ = 64517647740. Its totient is φ = 6806256768.

The previous prime is 22120335431. The next prime is 22120335467. The reversal of 22120335432 is 23453302122.

22120335432 is a `hidden beast` number, since 2 + 21 + 203 + 3 + 5 + 432 = 666.

It can be written as a sum of positive squares in 2 ways, for example, as 15334859556 + 6785475876 = 123834^2 + 82374^2 .

It is a junction number, because it is equal to n+sod(n) for n = 22120335396 and 22120335405.

It is not an unprimeable number, because it can be changed into a prime (22120335431) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 11815483 + ... + 11817354.

Almost surely, 2^22120335432 is an apocalyptic number.

It is an amenable number.

22120335432 is an abundant number, since it is smaller than the sum of its proper divisors (42397312308).

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

22120335432 is a wasteful number, since it uses less digits than its factorization.

22120335432 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 23632862 (or 23632855 counting only the distinct ones).

The product of its (nonzero) digits is 8640, while the sum is 27.

Adding to 22120335432 its reverse (23453302122), we get a palindrome (45573637554).

The spelling of 22120335432 in words is "twenty-two billion, one hundred twenty million, three hundred thirty-five thousand, four hundred thirty-two".