20044340132 has 12 divisors (see below), whose sum is σ = 35418155136. Its totient is φ = 9924867240.

The previous prime is 20044340083. The next prime is 20044340137. The reversal of 20044340132 is 23104344002.

It is a junction number, because it is equal to n+sod(n) for n = 20044340098 and 20044340107.

It is not an unprimeable number, because it can be changed into a prime (20044340137) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 24325244 + ... + 24326067.

It is an arithmetic number, because the mean of its divisors is an integer number (2951512928).

Almost surely, 2^20044340132 is an apocalyptic number.

It is an amenable number.

20044340132 is a deficient number, since it is larger than the sum of its proper divisors (15373815004).

20044340132 is a wasteful number, since it uses less digits than its factorization.

20044340132 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 48651418 (or 48651416 counting only the distinct ones).

The product of its (nonzero) digits is 2304, while the sum is 23.

Adding to 20044340132 its reverse (23104344002), we get a palindrome (43148684134).

The spelling of 20044340132 in words is "twenty billion, forty-four million, three hundred forty thousand, one hundred thirty-two".