20122102002209 has 8 divisors (see below), whose sum is σ = 20195198327400. Its totient is φ = 20049008939136.

The previous prime is 20122102002203. The next prime is 20122102002307. The reversal of 20122102002209 is 90220020122102.

It can be written as a sum of positive squares in 4 ways, for example, as 6804689616400 + 13317412385809 = 2608580^2 + 3649303^2 .

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-20122102002209 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (20122102002203) 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, 11903267 + ... + 13488215.

It is an arithmetic number, because the mean of its divisors is an integer number (2524399790925).

Almost surely, 2^{20122102002209} is an apocalyptic number.

It is an amenable number.

20122102002209 is a deficient number, since it is larger than the sum of its proper divisors (73096325191).

20122102002209 is a wasteful number, since it uses less digits than its factorization.

20122102002209 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1631059.

The product of its (nonzero) digits is 576, while the sum is 23.

The spelling of 20122102002209 in words is "twenty trillion, one hundred twenty-two billion, one hundred two million, two thousand, two hundred nine".