104020340221 has 8 divisors (see below), whose sum is σ = 118902273344. Its totient is φ = 89143878240.

The previous prime is 104020340189. The next prime is 104020340227. The reversal of 104020340221 is 122043020401.

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

It is a cyclic number.

It is not a de Polignac number, because 104020340221 - 2⁵ = 104020340189 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (104020340227) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1326960 + ... + 1403161.

It is an arithmetic number, because the mean of its divisors is an integer number (14862784168).

Almost surely, 2^104020340221 is an apocalyptic number.

It is an amenable number.

104020340221 is a deficient number, since it is larger than the sum of its proper divisors (14881933123).

104020340221 is an equidigital number, since it uses as much as digits as its factorization.

104020340221 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2735571.

The product of its (nonzero) digits is 384, while the sum is 19.

Adding to 104020340221 its reverse (122043020401), we get a palindrome (226063360622).

The spelling of 104020340221 in words is "one hundred four billion, twenty million, three hundred forty thousand, two hundred twenty-one".