20546241065 has 32 divisors (see below), whose sum is σ = 28283904000. Its totient is φ = 14035877568.

The previous prime is 20546241041. The next prime is 20546241073. The reversal of 20546241065 is 56014264502.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-20546241065 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (35).

It is a Curzon number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 15576476 + ... + 15577794.

It is an arithmetic number, because the mean of its divisors is an integer number (883872000).

Almost surely, 2^20546241065 is an apocalyptic number.

It is an amenable number.

20546241065 is a deficient number, since it is larger than the sum of its proper divisors (7737662935).

20546241065 is a wasteful number, since it uses less digits than its factorization.

20546241065 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2669.

The product of its (nonzero) digits is 57600, while the sum is 35.

The spelling of 20546241065 in words is "twenty billion, five hundred forty-six million, two hundred forty-one thousand, sixty-five".