20020040234144 has 48 divisors (see below), whose sum is σ = 39979580489856. Its totient is φ = 9866566483200.

The previous prime is 20020040234021. The next prime is 20020040234171. The reversal of 20020040234144 is 44143204002002.

It is a happy 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, 8004374 + ... + 10203434.

It is an arithmetic number, because the mean of its divisors is an integer number (832907926872).

Almost surely, 2^{20020040234144} is an apocalyptic number.

It is an amenable number.

20020040234144 is a deficient number, since it is larger than the sum of its proper divisors (19959540255712).

20020040234144 is a wasteful number, since it uses less digits than its factorization.

20020040234144 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2203149 (or 2203141 counting only the distinct ones).

The product of its (nonzero) digits is 6144, while the sum is 26.

Adding to 20020040234144 its reverse (44143204002002), we get a palindrome (64163244236146).

The spelling of 20020040234144 in words is "twenty trillion, twenty billion, forty million, two hundred thirty-four thousand, one hundred forty-four".