20441232170 has 16 divisors (see below), whose sum is σ = 36827415720. Its totient is φ = 8169115584.

The previous prime is 20441232169. The next prime is 20441232181. The reversal of 20441232170 is 7123214402.

It can be written as a sum of positive squares in 4 ways, for example, as 16875828649 + 3565403521 = 129907^2 + 59711^2 .

It is a Curzon number.

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, 910517 + ... + 932696.

Almost surely, 2^20441232170 is an apocalyptic number.

20441232170 is a deficient number, since it is larger than the sum of its proper divisors (16386183550).

20441232170 is a wasteful number, since it uses less digits than its factorization.

20441232170 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1844329.

The product of its (nonzero) digits is 2688, while the sum is 26.

Adding to 20441232170 its reverse (7123214402), we get a palindrome (27564446572).

The spelling of 20441232170 in words is "twenty billion, four hundred forty-one million, two hundred thirty-two thousand, one hundred seventy".