20033000109 has 10 divisors (see below), whose sum is σ = 29925839790. Its totient is φ = 13355333352.

The previous prime is 20033000093. The next prime is 20033000111. The reversal of 20033000109 is 90100033002.

It can be written as a sum of positive squares in only one way, i.e., 14642210025 + 5390790084 = 121005^2 + 73422^2 .

It is not a de Polignac number, because 20033000109 - 2⁴ = 20033000093 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 20033000091 and 20033000100.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20033000149) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 9 ways as a sum of consecutive naturals, for example, 123660414 + ... + 123660575.

It is an arithmetic number, because the mean of its divisors is an integer number (2992583979).

Almost surely, 2^20033000109 is an apocalyptic number.

It is an amenable number.

20033000109 is a deficient number, since it is larger than the sum of its proper divisors (9892839681).

20033000109 is an equidigital number, since it uses as much as digits as its factorization.

20033000109 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 247321001 (or 247320992 counting only the distinct ones).

The product of its (nonzero) digits is 162, while the sum is 18.

The spelling of 20033000109 in words is "twenty billion, thirty-three million, one hundred nine", and thus it is an aban number.