20432112232 has 32 divisors (see below), whose sum is σ = 46087473600. Its totient is φ = 8295744384.

The previous prime is 20432112227. The next prime is 20432112257. The reversal of 20432112232 is 23221123402.

It is a super-2 number, since 2×20432112232² (a number of 21 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 9600493 + ... + 9602620.

It is an arithmetic number, because the mean of its divisors is an integer number (1440233550).

Almost surely, 2^20432112232 is an apocalyptic number.

It is an amenable number.

20432112232 is an abundant number, since it is smaller than the sum of its proper divisors (25655361368).

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

20432112232 is a wasteful number, since it uses less digits than its factorization.

20432112232 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 19203145 (or 19203141 counting only the distinct ones).

The product of its (nonzero) digits is 1152, while the sum is 22.

Adding to 20432112232 its reverse (23221123402), we get a palindrome (43653235634).

The spelling of 20432112232 in words is "twenty billion, four hundred thirty-two million, one hundred twelve thousand, two hundred thirty-two".