104020204345 has 16 divisors (see below), whose sum is σ = 127241736192. Its totient is φ = 81606041920.

The previous prime is 104020204319. The next prime is 104020204361. The reversal of 104020204345 is 543402020401.

It is a happy number.

It is not a de Polignac number, because 104020204345 - 2¹³ = 104020196153 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 451560 + ... + 641830.

It is an arithmetic number, because the mean of its divisors is an integer number (7952608512).

Almost surely, 2^104020204345 is an apocalyptic number.

It is an amenable number.

104020204345 is a deficient number, since it is larger than the sum of its proper divisors (23221531847).

104020204345 is a wasteful number, since it uses less digits than its factorization.

104020204345 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 192392.

The product of its (nonzero) digits is 3840, while the sum is 25.

Adding to 104020204345 its reverse (543402020401), we get a palindrome (647422224746).

The spelling of 104020204345 in words is "one hundred four billion, twenty million, two hundred four thousand, three hundred forty-five".