20111013092 has 24 divisors (see below), whose sum is σ = 35485604280. Its totient is φ = 9972412160.

The previous prime is 20111013077. The next prime is 20111013101. The reversal of 20111013092 is 29031011102.

It can be written as a sum of positive squares in 4 ways, for example, as 369639076 + 19741374016 = 19226^2 + 140504^2 .

It is an unprimeable number.

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 7 ways as a sum of consecutive naturals, for example, 564134 + ... + 598722.

It is an arithmetic number, because the mean of its divisors is an integer number (1478566845).

Almost surely, 2^20111013092 is an apocalyptic number.

It is an amenable number.

20111013092 is a deficient number, since it is larger than the sum of its proper divisors (15374591188).

20111013092 is a wasteful number, since it uses less digits than its factorization.

20111013092 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 35791 (or 35789 counting only the distinct ones).

The product of its (nonzero) digits is 108, while the sum is 20.

Adding to 20111013092 its reverse (29031011102), we get a palindrome (49142024194).

The spelling of 20111013092 in words is "twenty billion, one hundred eleven million, thirteen thousand, ninety-two".