20225230432 has 48 divisors (see below), whose sum is σ = 43769968704. Its totient is φ = 9123088000.

The previous prime is 20225230393. The next prime is 20225230433. The reversal of 20225230432 is 23403252202.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 20225230397 and 20225230406.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20225230433) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 173194 + ... + 265417.

It is an arithmetic number, because the mean of its divisors is an integer number (911874348).

Almost surely, 2^20225230432 is an apocalyptic number.

20225230432 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

It is an amenable number.

20225230432 is an abundant number, since it is smaller than the sum of its proper divisors (23544738272).

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

20225230432 is a wasteful number, since it uses less digits than its factorization.

20225230432 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 438763 (or 438755 counting only the distinct ones).

The product of its (nonzero) digits is 5760, while the sum is 25.

Adding to 20225230432 its reverse (23403252202), we get a palindrome (43628482634).

The spelling of 20225230432 in words is "twenty billion, two hundred twenty-five million, two hundred thirty thousand, four hundred thirty-two".