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20201202220211 = 795091368136721
BaseRepresentation
bin1001001011111011101010…
…11110110111110010110011
32122112012211111221022020122
410211331311132313302303
510121434030232021321
6110544145412000455
74153326423462035
oct445756536676263
978465744838218
1020201202220211
116489311011061
12232316590012b
13b36c716c3acc
144dba59c89c55
1525072db338ab
hex125f757b7cb3

20201202220211 has 16 divisors (see below), whose sum is σ = 20499160483200. Its totient is φ = 19904308070400.

The previous prime is 20201202220189. The next prime is 20201202220247. The reversal of 20201202220211 is 11202220210202.

It is a happy number.

It is a cyclic number.

It is not a de Polignac number, because 20201202220211 - 222 = 20201198025907 is a prime.

It is a super-2 number, since 2×202012022202112 (a number of 27 digits) contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 20201202220211.

It is not an unprimeable number, because it can be changed into a prime (20201802220211) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (29) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 550108331 + ... + 550145051.

It is an arithmetic number, because the mean of its divisors is an integer number (1281197530200).

Almost surely, 220201202220211 is an apocalyptic number.

20201202220211 is a deficient number, since it is larger than the sum of its proper divisors (297958262989).

20201202220211 is a wasteful number, since it uses less digits than its factorization.

20201202220211 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 50990.

The product of its (nonzero) digits is 128, while the sum is 17.

Adding to 20201202220211 its reverse (11202220210202), we get a palindrome (31403422430413).

The spelling of 20201202220211 in words is "twenty trillion, two hundred one billion, two hundred two million, two hundred twenty thousand, two hundred eleven".

Divisors: 1 79 509 13681 36721 40211 1080799 2900959 6963629 18690989 502380001 550126691 1476588131 39688020079 255711420509 20201202220211