20020220122209 has 16 divisors (see below), whose sum is σ = 26847500903424. Its totient is φ = 13269949904000.

The previous prime is 20020220122169. The next prime is 20020220122223. The reversal of 20020220122209 is 90222102202002.

It is a cyclic number.

It is not a de Polignac number, because 20020220122209 - 2²⁸ = 20019951686753 is a prime.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (20020220127209) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 8100444 + ... + 10278989.

It is an arithmetic number, because the mean of its divisors is an integer number (1677968806464).

Almost surely, 2^{20020220122209} is an apocalyptic number.

It is an amenable number.

20020220122209 is a deficient number, since it is larger than the sum of its proper divisors (6827280781215).

20020220122209 is a wasteful number, since it uses less digits than its factorization.

20020220122209 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 18381528.

The product of its (nonzero) digits is 1152, while the sum is 24.

The spelling of 20020220122209 in words is "twenty trillion, twenty billion, two hundred twenty million, one hundred twenty-two thousand, two hundred nine".