20011711039 has 16 divisors (see below), whose sum is σ = 20968865280. Its totient is φ = 19061970400.

The previous prime is 20011711021. The next prime is 20011711079. The reversal of 20011711039 is 93011711002.

It is a cyclic number.

It is not a de Polignac number, because 20011711039 - 2⁷ = 20011710911 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 (20011711019) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 10525989 + ... + 10527889.

It is an arithmetic number, because the mean of its divisors is an integer number (1310554080).

Almost surely, 2^20011711039 is an apocalyptic number.

20011711039 is a deficient number, since it is larger than the sum of its proper divisors (957154241).

20011711039 is a wasteful number, since it uses less digits than its factorization.

20011711039 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3590.

The product of its (nonzero) digits is 378, while the sum is 25.

The spelling of 20011711039 in words is "twenty billion, eleven million, seven hundred eleven thousand, thirty-nine".