20320120100441 has 16 divisors (see below), whose sum is σ = 23377941900288. Its totient is φ = 17301046554000.

The previous prime is 20320120100437. The next prime is 20320120100447. The reversal of 20320120100441 is 14400102102302.

It is a cyclic number.

It is not a de Polignac number, because 20320120100441 - 2² = 20320120100437 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (20320120100447) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 21449006 + ... + 22376328.

It is an arithmetic number, because the mean of its divisors is an integer number (1461121368768).

Almost surely, 2^{20320120100441} is an apocalyptic number.

It is an amenable number.

20320120100441 is a deficient number, since it is larger than the sum of its proper divisors (3057821799847).

20320120100441 is a wasteful number, since it uses less digits than its factorization.

20320120100441 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 948212.

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

Adding to 20320120100441 its reverse (14400102102302), we get a palindrome (34720222202743).

The spelling of 20320120100441 in words is "twenty trillion, three hundred twenty billion, one hundred twenty million, one hundred thousand, four hundred forty-one".