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11200212020 = 2252324348287
BaseRepresentation
bin10100110111001010…
…11010110000110100
31001220120011201111102
422123211122300310
5140414223241040
65051215225232
7544360142234
oct123345326064
931816151442
1011200212020
114828256078
122206b18218
1310965572ba
14783709cc4
1545843b515
hex29b95ac34

11200212020 has 24 divisors (see below), whose sum is σ = 24543074304. Its totient is φ = 4285298336.

The previous prime is 11200211999. The next prime is 11200212097. The reversal of 11200212020 is 2021200211.

It is a happy number.

11200212020 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a junction number, because it is equal to n+sod(n) for n = 11200211992 and 11200212010.

It is a congruent number.

It is an unprimeable number.

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, 12173684 + ... + 12174603.

It is an arithmetic number, because the mean of its divisors is an integer number (1022628096).

Almost surely, 211200212020 is an apocalyptic number.

11200212020 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

11200212020 is an abundant number, since it is smaller than the sum of its proper divisors (13342862284).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

11200212020 is a wasteful number, since it uses less digits than its factorization.

11200212020 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 24348319 (or 24348317 counting only the distinct ones).

The product of its (nonzero) digits is 16, while the sum is 11.

Adding to 11200212020 its reverse (2021200211), we get a palindrome (13221412231).

The spelling of 11200212020 in words is "eleven billion, two hundred million, two hundred twelve thousand, twenty".

Divisors: 1 2 4 5 10 20 23 46 92 115 230 460 24348287 48696574 97393148 121741435 243482870 486965740 560010601 1120021202 2240042404 2800053005 5600106010 11200212020