20440750232 has 40 divisors (see below), whose sum is σ = 44711522700. Its totient is φ = 8760313296.

The previous prime is 20440750193. The next prime is 20440750289. The reversal of 20440750232 is 23205704402.

It is a junction number, because it is equal to n+sod(n) for n = 20440750195 and 20440750204.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 9 ways as a sum of consecutive naturals, for example, 512882 + ... + 551297.

Almost surely, 2^20440750232 is an apocalyptic number.

It is an amenable number.

20440750232 is an abundant number, since it is smaller than the sum of its proper divisors (24270772468).

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

20440750232 is an equidigital number, since it uses as much as digits as its factorization.

20440750232 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1064213 (or 1064188 counting only the distinct ones).

The product of its (nonzero) digits is 13440, while the sum is 29.

The spelling of 20440750232 in words is "twenty billion, four hundred forty million, seven hundred fifty thousand, two hundred thirty-two".