20331140344001 has 4 divisors (see below), whose sum is σ = 20331229822932. Its totient is φ = 20331050865072.

The previous prime is 20331140343991. The next prime is 20331140344007. The reversal of 20331140344001 is 10044304113302.

It is a happy number.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 11611403817601 + 8719736526400 = 3407551^2 + 2952920^2 .

It is a cyclic number.

It is not a de Polignac number, because 20331140344001 - 2³⁰ = 20330066602177 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (20331140344007) 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, 44397770 + ... + 44853363.

It is an arithmetic number, because the mean of its divisors is an integer number (5082807455733).

Almost surely, 2^{20331140344001} is an apocalyptic number.

It is an amenable number.

20331140344001 is a deficient number, since it is larger than the sum of its proper divisors (89478931).

20331140344001 is an equidigital number, since it uses as much as digits as its factorization.

20331140344001 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 89478930.

The product of its (nonzero) digits is 3456, while the sum is 26.

Adding to 20331140344001 its reverse (10044304113302), we get a palindrome (30375444457303).

The spelling of 20331140344001 in words is "twenty trillion, three hundred thirty-one billion, one hundred forty million, three hundred forty-four thousand, one".