20202020220211 has 2 divisors, whose sum is σ = 20202020220212. Its totient is φ = 20202020220210.

The previous prime is 20202020220209. The next prime is 20202020220247. The reversal of 20202020220211 is 11202202020202.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 20202020220211 - 2¹ = 20202020220209 is a prime.

Together with 20202020220209, it forms a pair of twin primes.

It is not a weakly prime, because it can be changed into another prime (20202021220211) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 10101010110105 + 10101010110106.

It is an arithmetic number, because the mean of its divisors is an integer number (10101010110106).

Almost surely, 2^{20202020220211} is an apocalyptic number.

20202020220211 is a deficient number, since it is larger than the sum of its proper divisors (1).

20202020220211 is an equidigital number, since it uses as much as digits as its factorization.

20202020220211 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 128, while the sum is 16.

Adding to 20202020220211 its reverse (11202202020202), we get a palindrome (31404222240413).

The spelling of 20202020220211 in words is "twenty trillion, two hundred two billion, twenty million, two hundred twenty thousand, two hundred eleven".