20440413022232 has 24 divisors (see below), whose sum is σ = 44583043710060. Its totient is φ = 8760177009360.

The previous prime is 20440413022223. The next prime is 20440413022307. The reversal of 20440413022232 is 23222031404402.

It is a junction number, because it is equal to n+sod(n) for n = 20440413022195 and 20440413022204.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 26071954994 + ... + 26071955777.

Almost surely, 2^{20440413022232} is an apocalyptic number.

It is an amenable number.

20440413022232 is an abundant number, since it is smaller than the sum of its proper divisors (24142630687828).

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

20440413022232 is a wasteful number, since it uses less digits than its factorization.

20440413022232 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 52143910791 (or 52143910780 counting only the distinct ones).

The product of its (nonzero) digits is 18432, while the sum is 29.

Adding to 20440413022232 its reverse (23222031404402), we get a palindrome (43662444426634).

The spelling of 20440413022232 in words is "twenty trillion, four hundred forty billion, four hundred thirteen million, twenty-two thousand, two hundred thirty-two".