20202020211 has 8 divisors (see below), whose sum is σ = 26936689600. Its totient is φ = 13467682152.

The previous prime is 20202020203. The next prime is 20202020231. The reversal of 20202020211 is 11202020202.

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

It is not a de Polignac number, because 20202020211 - 2³ = 20202020203 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (20202020231) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 167640 + ... + 261738.

It is an arithmetic number, because the mean of its divisors is an integer number (3367086200).

Almost surely, 2^20202020211 is an apocalyptic number.

20202020211 is a deficient number, since it is larger than the sum of its proper divisors (6734669389).

20202020211 is an equidigital number, since it uses as much as digits as its factorization.

20202020211 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 165665.

The product of its (nonzero) digits is 32, while the sum is 12.

Adding to 20202020211 its reverse (11202020202), we get a palindrome (31404040413).

Subtracting from 20202020211 its reverse (11202020202), we obtain a palindrome (9000000009).

It can be divided in two parts, 202020202 and 11, that multiplied together give a palindrome (2222222222).

The spelling of 20202020211 in words is "twenty billion, two hundred two million, twenty thousand, two hundred eleven".