20432031324224 has 224 divisors, whose sum is σ = 47801698412160. Its totient is φ = 8583011942400.

The previous prime is 20432031324223. The next prime is 20432031324239. The reversal of 20432031324224 is 42242313023402.

It is a Harshad number since it is a multiple of its sum of digits (32).

It is not an unprimeable number, because it can be changed into a prime (20432031324223) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 41218004 + ... + 41710764.

It is an arithmetic number, because the mean of its divisors is an integer number (213400439340).

Almost surely, 2^{20432031324224} is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 20432031324224, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (23900849206080).

20432031324224 is an abundant number, since it is smaller than the sum of its proper divisors (27369667087936).

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

20432031324224 is a wasteful number, since it uses less digits than its factorization.

20432031324224 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 492909 (or 492899 counting only the distinct ones).

The product of its (nonzero) digits is 55296, while the sum is 32.

Adding to 20432031324224 its reverse (42242313023402), we get a palindrome (62674344347626).

The spelling of 20432031324224 in words is "twenty trillion, four hundred thirty-two billion, thirty-one million, three hundred twenty-four thousand, two hundred twenty-four".