104420243205 has 28 divisors (see below), whose sum is σ = 187870501740. Its totient is φ = 55690794432.

The previous prime is 104420243203. The next prime is 104420243219. The reversal of 104420243205 is 502342024401.

104420243205 is a `hidden beast` number, since 10 + 4 + 420 + 24 + 3 + 205 = 666.

It can be written as a sum of positive squares in 2 ways, for example, as 68351396481 + 36068846724 = 261441^2 + 189918^2 .

It is not a de Polignac number, because 104420243205 - 2¹ = 104420243203 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (104420243203) by changing a digit.

It is a polite number, since it can be written in 27 ways as a sum of consecutive naturals, for example, 14320120 + ... + 14327409.

Almost surely, 2^104420243205 is an apocalyptic number.

104420243205 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

104420243205 is a deficient number, since it is larger than the sum of its proper divisors (83450258535).

104420243205 is an frugal number, since it uses more digits than its factorization.

104420243205 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 28647552 (or 28647537 counting only the distinct ones).

The product of its (nonzero) digits is 7680, while the sum is 27.

Adding to 104420243205 its reverse (502342024401), we get a palindrome (606762267606).

The spelling of 104420243205 in words is "one hundred four billion, four hundred twenty million, two hundred forty-three thousand, two hundred five".