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11202212020 = 22561103239373
BaseRepresentation
bin10100110111011010…
…00011000010110100
31001220200221022222111
422123231003002310
5140420231241040
65051330140404
7544413142156
oct123355030264
931820838874
1011202212020
1148293a176a
122207721704
131096aa772c
14783aaaad6
154586d3dea
hex29bb430b4

11202212020 has 96 divisors (see below), whose sum is σ = 24308444160. Its totient is φ = 4334722560.

The previous prime is 11202212011. The next prime is 11202212029. The reversal of 11202212020 is 2021220211.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (11202212011) and next prime (11202212029).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11202212029) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 30032554 + ... + 30032926.

It is an arithmetic number, because the mean of its divisors is an integer number (253212960).

Almost surely, 211202212020 is an apocalyptic number.

11202212020 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

11202212020 is an abundant number, since it is smaller than the sum of its proper divisors (13106232140).

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

11202212020 is a wasteful number, since it uses less digits than its factorization.

11202212020 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 785 (or 783 counting only the distinct ones).

The product of its (nonzero) digits is 32, while the sum is 13.

Adding to 11202212020 its reverse (2021220211), we get a palindrome (13223432231).

The spelling of 11202212020 in words is "eleven billion, two hundred two million, two hundred twelve thousand, twenty".

Divisors: 1 2 4 5 10 20 61 103 122 206 239 244 305 373 412 478 515 610 746 956 1030 1195 1220 1492 1865 2060 2390 3730 4780 6283 7460 12566 14579 22753 24617 25132 29158 31415 38419 45506 49234 58316 62830 72895 76838 89147 91012 98468 113765 123085 125660 145790 153676 178294 192095 227530 246170 291580 356588 384190 445735 455060 492340 768380 891470 1501637 1782940 2343559 3003274 4687118 5437967 6006548 7508185 9182141 9374236 10875934 11717795 15016370 18364282 21751868 23435590 27189835 30032740 36728564 45910705 46871180 54379670 91821410 108759340 183642820 560110601 1120221202 2240442404 2800553005 5601106010 11202212020