20440130222 has 24 divisors (see below), whose sum is σ = 32526597168. Its totient is φ = 9615376320.

The previous prime is 20440130203. The next prime is 20440130239. The reversal of 20440130222 is 22203104402.

It is a junction number, because it is equal to n+sod(n) for n = 20440130194 and 20440130203.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 111458 + ... + 230874.

It is an arithmetic number, because the mean of its divisors is an integer number (1355274882).

Almost surely, 2^20440130222 is an apocalyptic number.

20440130222 is a deficient number, since it is larger than the sum of its proper divisors (12086466946).

20440130222 is a wasteful number, since it uses less digits than its factorization.

20440130222 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 119564 (or 119503 counting only the distinct ones).

The product of its (nonzero) digits is 768, while the sum is 20.

Adding to 20440130222 its reverse (22203104402), we get a palindrome (42643234624).

The spelling of 20440130222 in words is "twenty billion, four hundred forty million, one hundred thirty thousand, two hundred twenty-two".