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11202200220 = 22351071744891
BaseRepresentation
bin10100110111011010…
…00000001010011100
31001220200220201210110
422123231000022130
5140420230401340
65051330010020
7544413062601
oct123355001234
931820821713
1011202200220
114829393912
122207716910
131096aa2253
14783aa66a8
154586d0680
hex29bb4029c

11202200220 has 48 divisors (see below), whose sum is σ = 31659320448. Its totient is φ = 2959333440.

The previous prime is 11202200203. The next prime is 11202200239. The reversal of 11202200220 is 2200220211.

It is a Harshad number since it is a multiple of its sum of digits (12).

It is a junction number, because it is equal to n+sod(n) for n = 11202200196 and 11202200205.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 866026 + ... + 878865.

It is an arithmetic number, because the mean of its divisors is an integer number (659569176).

Almost surely, 211202200220 is an apocalyptic number.

11202200220 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

11202200220 is an abundant number, since it is smaller than the sum of its proper divisors (20457120228).

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

11202200220 is a wasteful number, since it uses less digits than its factorization.

11202200220 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1745010 (or 1745008 counting only the distinct ones).

The product of its (nonzero) digits is 32, while the sum is 12.

Adding to 11202200220 its reverse (2200220211), we get a palindrome (13402420431).

The spelling of 11202200220 in words is "eleven billion, two hundred two million, two hundred thousand, two hundred twenty".

Divisors: 1 2 3 4 5 6 10 12 15 20 30 60 107 214 321 428 535 642 1070 1284 1605 2140 3210 6420 1744891 3489782 5234673 6979564 8724455 10469346 17448910 20938692 26173365 34897820 52346730 104693460 186703337 373406674 560110011 746813348 933516685 1120220022 1867033370 2240440044 2800550055 3734066740 5601100110 11202200220