20320210001144 has 16 divisors (see below), whose sum is σ = 38163162120000. Its totient is φ = 10143366769152.

The previous prime is 20320210001141. The next prime is 20320210001167. The reversal of 20320210001144 is 44110001202302.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20320210001141) 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, 2092273769 + ... + 2092283480.

It is an arithmetic number, because the mean of its divisors is an integer number (2385197632500).

Almost surely, 2^{20320210001144} is an apocalyptic number.

It is an amenable number.

20320210001144 is a deficient number, since it is larger than the sum of its proper divisors (17842952118856).

20320210001144 is a wasteful number, since it uses less digits than its factorization.

20320210001144 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4184557862 (or 4184557858 counting only the distinct ones).

The product of its (nonzero) digits is 384, while the sum is 20.

Adding to 20320210001144 its reverse (44110001202302), we get a palindrome (64430211203446).

The spelling of 20320210001144 in words is "twenty trillion, three hundred twenty billion, two hundred ten million, one thousand, one hundred forty-four".