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11220200220 = 2235414561057
BaseRepresentation
bin10100111001100011…
…01010101100011100
31001221221210020011010
422130301222230130
5140434332401340
65053211455220
7545022061665
oct123461525434
931857706133
1011220200220
114838568549
122211757510
13109a735238
1478623036c
1545a088b80
hex29cc6ab1c

11220200220 has 48 divisors (see below), whose sum is σ = 32182825248. Its totient is φ = 2919075840.

The previous prime is 11220200213. The next prime is 11220200231. The reversal of 11220200220 is 2200202211.

11220200220 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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 = 11220200196 and 11220200205.

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 15 ways as a sum of consecutive naturals, for example, 2278069 + ... + 2282988.

It is an arithmetic number, because the mean of its divisors is an integer number (670475526).

Almost surely, 211220200220 is an apocalyptic number.

11220200220 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

11220200220 is an abundant number, since it is smaller than the sum of its proper divisors (20962625028).

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

11220200220 is a wasteful number, since it uses less digits than its factorization.

11220200220 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4561110 (or 4561108 counting only the distinct ones).

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

Adding to 11220200220 its reverse (2200202211), we get a palindrome (13420402431).

The spelling of 11220200220 in words is "eleven billion, two hundred twenty million, two hundred thousand, two hundred twenty".

Divisors: 1 2 3 4 5 6 10 12 15 20 30 41 60 82 123 164 205 246 410 492 615 820 1230 2460 4561057 9122114 13683171 18244228 22805285 27366342 45610570 54732684 68415855 91221140 136831710 187003337 273663420 374006674 561010011 748013348 935016685 1122020022 1870033370 2244040044 2805050055 3740066740 5610100110 11220200220