20546310765 has 16 divisors (see below), whose sum is σ = 32888101248. Its totient is φ = 10953364416.

The previous prime is 20546310751. The next prime is 20546310769. The reversal of 20546310765 is 56701364502.

It is not a de Polignac number, because 20546310765 - 2¹⁰ = 20546309741 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20546310769) 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, 255217 + ... + 325926.

It is an arithmetic number, because the mean of its divisors is an integer number (2055506328).

Almost surely, 2^20546310765 is an apocalyptic number.

It is an amenable number.

20546310765 is a deficient number, since it is larger than the sum of its proper divisors (12341790483).

20546310765 is a wasteful number, since it uses less digits than its factorization.

20546310765 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 583508.

The product of its (nonzero) digits is 151200, while the sum is 39.

The spelling of 20546310765 in words is "twenty billion, five hundred forty-six million, three hundred ten thousand, seven hundred sixty-five".