22200120432 has 120 divisors (see below), whose sum is σ = 72737115360. Its totient is φ = 6188175360.

The previous prime is 22200120431. The next prime is 22200120433. The reversal of 22200120432 is 23402100222.

22200120432 is a `hidden beast` number, since 2 + 220 + 0 + 12 + 0 + 432 = 666.

It is an interprime number because it is at equal distance from previous prime (22200120431) and next prime (22200120433).

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 (22200120431) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 227257 + ... + 309912.

It is an arithmetic number, because the mean of its divisors is an integer number (606142628).

Almost surely, 2^22200120432 is an apocalyptic number.

It is an amenable number.

22200120432 is an abundant number, since it is smaller than the sum of its proper divisors (50536994928).

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

22200120432 is a wasteful number, since it uses less digits than its factorization.

22200120432 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 537231 (or 537222 counting only the distinct ones).

The product of its (nonzero) digits is 384, while the sum is 18.

Adding to 22200120432 its reverse (23402100222), we get a palindrome (45602220654).

The spelling of 22200120432 in words is "twenty-two billion, two hundred million, one hundred twenty thousand, four hundred thirty-two".