20810104305 has 8 divisors (see below), whose sum is σ = 33296166912. Its totient is φ = 11098722288.

The previous prime is 20810104291. The next prime is 20810104307. The reversal of 20810104305 is 50340101802.

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

It is not a de Polignac number, because 20810104305 - 2⁷ = 20810104177 is a prime.

It is not an unprimeable number, because it can be changed into a prime (20810104307) 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, 693670129 + ... + 693670158.

It is an arithmetic number, because the mean of its divisors is an integer number (4162020864).

Almost surely, 2^20810104305 is an apocalyptic number.

It is an amenable number.

20810104305 is a deficient number, since it is larger than the sum of its proper divisors (12486062607).

20810104305 is a wasteful number, since it uses less digits than its factorization.

20810104305 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1387340295.

The product of its (nonzero) digits is 960, while the sum is 24.

The spelling of 20810104305 in words is "twenty billion, eight hundred ten million, one hundred four thousand, three hundred five".