20862727265 has 16 divisors (see below), whose sum is σ = 25286681088. Its totient is φ = 16522926336.

The previous prime is 20862727243. The next prime is 20862727279. The reversal of 20862727265 is 56272726802.

It is a cyclic number.

It is not a de Polignac number, because 20862727265 - 2²⁶ = 20795618401 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 466202 + ... + 508988.

It is an arithmetic number, because the mean of its divisors is an integer number (1580417568).

Almost surely, 2^20862727265 is an apocalyptic number.

It is an amenable number.

20862727265 is a deficient number, since it is larger than the sum of its proper divisors (4423953823).

20862727265 is a wasteful number, since it uses less digits than its factorization.

20862727265 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 43768.

The product of its (nonzero) digits is 1128960, while the sum is 47.

The spelling of 20862727265 in words is "twenty billion, eight hundred sixty-two million, seven hundred twenty-seven thousand, two hundred sixty-five".