20020020211211 has 16 divisors (see below), whose sum is σ = 21376999497216. Its totient is φ = 18703616190336.

The previous prime is 20020020211157. The next prime is 20020020211229. The reversal of 20020020211211 is 11211202002002.

It is a cyclic number.

It is not a de Polignac number, because 20020020211211 - 2¹⁴ = 20020020194827 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (20020020211241) 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, 30485426 + ... + 31135208.

It is an arithmetic number, because the mean of its divisors is an integer number (1336062468576).

Almost surely, 2^{20020020211211} is an apocalyptic number.

20020020211211 is a deficient number, since it is larger than the sum of its proper divisors (1356979286005).

20020020211211 is a wasteful number, since it uses less digits than its factorization.

20020020211211 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 681002.

The product of its (nonzero) digits is 32, while the sum is 14.

Adding to 20020020211211 its reverse (11211202002002), we get a palindrome (31231222213213).

The spelling of 20020020211211 in words is "twenty trillion, twenty billion, twenty million, two hundred eleven thousand, two hundred eleven".