22200020532 has 36 divisors (see below), whose sum is σ = 58556578080. Its totient is φ = 7078267152.

The previous prime is 22200020429. The next prime is 22200020533. The reversal of 22200020532 is 23502000222.

It is a tau number, because it is divible by the number of its divisors (36).

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22200020533) 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, 13404982 + ... + 13406637.

Almost surely, 2^22200020532 is an apocalyptic number.

It is an amenable number.

22200020532 is an abundant number, since it is smaller than the sum of its proper divisors (36356557548).

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

22200020532 is a wasteful number, since it uses less digits than its factorization.

22200020532 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 26811652 (or 26811647 counting only the distinct ones).

The product of its (nonzero) digits is 480, while the sum is 18.

Adding to 22200020532 its reverse (23502000222), we get a palindrome (45702020754).

The spelling of 22200020532 in words is "twenty-two billion, two hundred million, twenty thousand, five hundred thirty-two".