20303331200209 has 4 divisors (see below), whose sum is σ = 20303617673200. Its totient is φ = 20303044727220.

The previous prime is 20303331200203. The next prime is 20303331200231. The reversal of 20303331200209 is 90200213330302.

It is a happy number.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 20303331200209 - 2²⁵ = 20303297645777 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (20303331200203) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 143130159 + ... + 143271940.

It is an arithmetic number, because the mean of its divisors is an integer number (5075904418300).

Almost surely, 2^{20303331200209} is an apocalyptic number.

It is an amenable number.

20303331200209 is a deficient number, since it is larger than the sum of its proper divisors (286472991).

20303331200209 is an equidigital number, since it uses as much as digits as its factorization.

20303331200209 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 286472990.

The product of its (nonzero) digits is 5832, while the sum is 28.

The spelling of 20303331200209 in words is "twenty trillion, three hundred three billion, three hundred thirty-one million, two hundred thousand, two hundred nine".