20032224432 has 40 divisors (see below), whose sum is σ = 56454452160. Its totient is φ = 6070370880.

The previous prime is 20032224379. The next prime is 20032224439. The reversal of 20032224432 is 23442223002.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (24).

It is not an unprimeable number, because it can be changed into a prime (20032224439) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 18969382 + ... + 18970437.

It is an arithmetic number, because the mean of its divisors is an integer number (1411361304).

Almost surely, 2^20032224432 is an apocalyptic number.

20032224432 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

It is an amenable number.

20032224432 is an abundant number, since it is smaller than the sum of its proper divisors (36422227728).

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

20032224432 is a wasteful number, since it uses less digits than its factorization.

20032224432 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 37939841 (or 37939835 counting only the distinct ones).

The product of its (nonzero) digits is 4608, while the sum is 24.

Adding to 20032224432 its reverse (23442223002), we get a palindrome (43474447434).

The spelling of 20032224432 in words is "twenty billion, thirty-two million, two hundred twenty-four thousand, four hundred thirty-two".