20035347009 has 16 divisors (see below), whose sum is σ = 27076896000. Its totient is φ = 13175839376.

The previous prime is 20035347001. The next prime is 20035347023. The reversal of 20035347009 is 90074353002.

It is a happy number.

It is a cyclic number.

It is not a de Polignac number, because 20035347009 - 2³ = 20035347001 is a prime.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (20035347001) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 103042 + ... + 225140.

It is an arithmetic number, because the mean of its divisors is an integer number (1692306000).

Almost surely, 2^20035347009 is an apocalyptic number.

It is an amenable number.

20035347009 is a deficient number, since it is larger than the sum of its proper divisors (7041548991).

20035347009 is a wasteful number, since it uses less digits than its factorization.

20035347009 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 122844.

The product of its (nonzero) digits is 22680, while the sum is 33.

The spelling of 20035347009 in words is "twenty billion, thirty-five million, three hundred forty-seven thousand, nine".