20055110211 has 24 divisors (see below), whose sum is σ = 29408217696. Its totient is φ = 13167530880.

The previous prime is 20055110129. The next prime is 20055110221. The reversal of 20055110211 is 11201155002.

20055110211 is a `hidden beast` number, since 2 + 0 + 0 + 551 + 102 + 11 = 666.

It is not a de Polignac number, because 20055110211 - 2⁷ = 20055110083 is a prime.

It is not an unprimeable number, because it can be changed into a prime (20055110221) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 592501 + ... + 625433.

It is an arithmetic number, because the mean of its divisors is an integer number (1225342404).

Almost surely, 2^20055110211 is an apocalyptic number.

20055110211 is a deficient number, since it is larger than the sum of its proper divisors (9353107485).

20055110211 is a wasteful number, since it uses less digits than its factorization.

20055110211 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 33963 (or 33960 counting only the distinct ones).

The product of its (nonzero) digits is 100, while the sum is 18.

Adding to 20055110211 its reverse (11201155002), we get a palindrome (31256265213).

The spelling of 20055110211 in words is "twenty billion, fifty-five million, one hundred ten thousand, two hundred eleven".