20113230009 has 16 divisors (see below), whose sum is σ = 28402799040. Its totient is φ = 12616665600.

The previous prime is 20113229999. The next prime is 20113230013. The reversal of 20113230009 is 90003231102.

It is a happy number.

It is not a de Polignac number, because 20113230009 - 2¹¹ = 20113227961 is a prime.

It is not an unprimeable number, because it can be changed into a prime (20113230019) 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, 145197 + ... + 247605.

It is an arithmetic number, because the mean of its divisors is an integer number (1775174940).

Almost surely, 2^20113230009 is an apocalyptic number.

It is an amenable number.

20113230009 is a deficient number, since it is larger than the sum of its proper divisors (8289569031).

20113230009 is a wasteful number, since it uses less digits than its factorization.

20113230009 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 106280.

The product of its (nonzero) digits is 324, while the sum is 21.

The spelling of 20113230009 in words is "twenty billion, one hundred thirteen million, two hundred thirty thousand, nine".