20320100441 has 8 divisors (see below), whose sum is σ = 20978727168. Its totient is φ = 19661670000.

The previous prime is 20320100431. The next prime is 20320100453. The reversal of 20320100441 is 14400102302.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-20320100441 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (20320100431) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 178091 + ... + 268991.

It is an arithmetic number, because the mean of its divisors is an integer number (2622340896).

Almost surely, 2^20320100441 is an apocalyptic number.

It is an amenable number.

20320100441 is a deficient number, since it is larger than the sum of its proper divisors (658626727).

20320100441 is an equidigital number, since it uses as much as digits as its factorization.

20320100441 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 98143.

The product of its (nonzero) digits is 192, while the sum is 17.

Adding to 20320100441 its reverse (14400102302), we get a palindrome (34720202743).

The spelling of 20320100441 in words is "twenty billion, three hundred twenty million, one hundred thousand, four hundred forty-one".