20212200209 has 8 divisors (see below), whose sum is σ = 22009656000. Its totient is φ = 18488110032.

The previous prime is 20212200163. The next prime is 20212200221. The reversal of 20212200209 is 90200221202.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 20212200209 - 2¹⁶ = 20212134673 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (20212200259) 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, 18340829 + ... + 18341930.

It is an arithmetic number, because the mean of its divisors is an integer number (2751207000).

Almost surely, 2^20212200209 is an apocalyptic number.

20212200209 is a gapful number since it is divisible by the number (29) formed by its first and last digit.

It is an amenable number.

20212200209 is a deficient number, since it is larger than the sum of its proper divisors (1797455791).

20212200209 is a wasteful number, since it uses less digits than its factorization.

20212200209 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 36682807.

The product of its (nonzero) digits is 288, while the sum is 20.

The spelling of 20212200209 in words is "twenty billion, two hundred twelve million, two hundred thousand, two hundred nine".