20007706611 has 16 divisors (see below), whose sum is σ = 27049203200. Its totient is φ = 13152773088.

The previous prime is 20007706603. The next prime is 20007706639. The reversal of 20007706611 is 11660770002.

It is a happy number.

It is not a de Polignac number, because 20007706611 - 2³ = 20007706603 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (20007704611) 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, 132885 + ... + 240153.

It is an arithmetic number, because the mean of its divisors is an integer number (1690575200).

Almost surely, 2^20007706611 is an apocalyptic number.

20007706611 is a deficient number, since it is larger than the sum of its proper divisors (7041496589).

20007706611 is a wasteful number, since it uses less digits than its factorization.

20007706611 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 108138.

The product of its (nonzero) digits is 3528, while the sum is 30.

The spelling of 20007706611 in words is "twenty billion, seven million, seven hundred six thousand, six hundred eleven".