20704286265 has 16 divisors (see below), whose sum is σ = 35675078208. Its totient is φ = 10192879296.

The previous prime is 20704286261. The next prime is 20704286287. The reversal of 20704286265 is 56268240702.

It is not a de Polignac number, because 20704286265 - 2² = 20704286261 is a prime.

It is not an unprimeable number, because it can be changed into a prime (20704286261) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 53087719 + ... + 53088108.

It is an arithmetic number, because the mean of its divisors is an integer number (2229692388).

Almost surely, 2^20704286265 is an apocalyptic number.

It is an amenable number.

20704286265 is a deficient number, since it is larger than the sum of its proper divisors (14970791943).

20704286265 is a wasteful number, since it uses less digits than its factorization.

20704286265 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 106175848.

The product of its (nonzero) digits is 322560, while the sum is 42.

The spelling of 20704286265 in words is "twenty billion, seven hundred four million, two hundred eighty-six thousand, two hundred sixty-five".