20103330018 has 16 divisors (see below), whose sum is σ = 40363109280. Its totient is φ = 6675035136.

The previous prime is 20103330017. The next prime is 20103330031. The reversal of 20103330018 is 81003330102.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 20103329976 and 20103330003.

It is not an unprimeable number, because it can be changed into a prime (20103330011) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 6517048 + ... + 6520131.

It is an arithmetic number, because the mean of its divisors is an integer number (2522694330).

Almost surely, 2^20103330018 is an apocalyptic number.

20103330018 is an abundant number, since it is smaller than the sum of its proper divisors (20259779262).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

20103330018 is a wasteful number, since it uses less digits than its factorization.

20103330018 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13037441.

The product of its (nonzero) digits is 432, while the sum is 21.

The spelling of 20103330018 in words is "twenty billion, one hundred three million, three hundred thirty thousand, eighteen".