20224304432 has 40 divisors (see below), whose sum is σ = 42298230240. Its totient is φ = 9338954240.

The previous prime is 20224304431. The next prime is 20224304447. The reversal of 20224304432 is 23440342202.

It is a happy number.

It is not an unprimeable number, because it can be changed into a prime (20224304431) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 936869 + ... + 958212.

It is an arithmetic number, because the mean of its divisors is an integer number (1057455756).

Almost surely, 2^20224304432 is an apocalyptic number.

It is an amenable number.

20224304432 is an abundant number, since it is smaller than the sum of its proper divisors (22073925808).

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

20224304432 is a wasteful number, since it uses less digits than its factorization.

20224304432 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1895141 (or 1895135 counting only the distinct ones).

The product of its (nonzero) digits is 9216, while the sum is 26.

Adding to 20224304432 its reverse (23440342202), we get a palindrome (43664646634).

The spelling of 20224304432 in words is "twenty billion, two hundred twenty-four million, three hundred four thousand, four hundred thirty-two".