20760911807 has 4 divisors (see below), whose sum is σ = 20763659376. Its totient is φ = 20758164240.

The previous prime is 20760911803. The next prime is 20760911851. The reversal of 20760911807 is 70811906702.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 20760911807 - 2² = 20760911803 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20760911803) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1362419 + ... + 1377572.

It is an arithmetic number, because the mean of its divisors is an integer number (5190914844).

Almost surely, 2^20760911807 is an apocalyptic number.

20760911807 is a deficient number, since it is larger than the sum of its proper divisors (2747569).

20760911807 is an equidigital number, since it uses as much as digits as its factorization.

20760911807 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2747568.

The product of its (nonzero) digits is 42336, while the sum is 41.

The spelling of 20760911807 in words is "twenty billion, seven hundred sixty million, nine hundred eleven thousand, eight hundred seven".