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11224020220 = 2257292764537
BaseRepresentation
bin10100111010000000…
…01111010011111100
31001222012222022012121
422131000033103330
5140441322121340
65053425412324
7545066412010
oct123500172374
931865868177
1011224020220
11483a737576
122212a9a0a4
13109b471baa
14786946540
1545a59094a
hex29d00f4fc

11224020220 has 48 divisors (see below), whose sum is σ = 27866543040. Its totient is φ = 3715536384.

The previous prime is 11224020187. The next prime is 11224020257. The reversal of 11224020220 is 2202042211.

11224020220 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 = 11224020194 and 11224020203.

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, 1378209 + ... + 1386328.

It is an arithmetic number, because the mean of its divisors is an integer number (580552980).

Almost surely, 211224020220 is an apocalyptic number.

11224020220 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

11224020220 is an abundant number, since it is smaller than the sum of its proper divisors (16642522820).

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

11224020220 is a wasteful number, since it uses less digits than its factorization.

11224020220 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2764582 (or 2764580 counting only the distinct ones).

The product of its (nonzero) digits is 128, while the sum is 16.

Adding to 11224020220 its reverse (2202042211), we get a palindrome (13426062431).

The spelling of 11224020220 in words is "eleven billion, two hundred twenty-four million, twenty thousand, two hundred twenty".

Divisors: 1 2 4 5 7 10 14 20 28 29 35 58 70 116 140 145 203 290 406 580 812 1015 2030 4060 2764537 5529074 11058148 13822685 19351759 27645370 38703518 55290740 77407036 80171573 96758795 160343146 193517590 320686292 387035180 400857865 561201011 801715730 1122402022 1603431460 2244804044 2806005055 5612010110 11224020220