20000220112209 has 32 divisors (see below), whose sum is σ = 26955659364480. Its totient is φ = 13189378752000.

The previous prime is 20000220112183. The next prime is 20000220112211. The reversal of 20000220112209 is 90221102200002.

It is a happy number.

It is not a de Polignac number, because 20000220112209 - 2¹¹ = 20000220110161 is a prime.

It is not an unprimeable number, because it can be changed into a prime (20000220132209) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 1789403029 + ... + 1789414205.

It is an arithmetic number, because the mean of its divisors is an integer number (842364355140).

Almost surely, 2^{20000220112209} is an apocalyptic number.

It is an amenable number.

20000220112209 is a deficient number, since it is larger than the sum of its proper divisors (6955439252271).

20000220112209 is a wasteful number, since it uses less digits than its factorization.

20000220112209 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16161.

The product of its (nonzero) digits is 288, while the sum is 21.

The spelling of 20000220112209 in words is "twenty trillion, two hundred twenty million, one hundred twelve thousand, two hundred nine".