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11223033220 = 2257281285283
BaseRepresentation
bin10100111001111000…
…11110010110000100
31001222011010011022001
422130330132112010
5140441044030340
65053352315044
7545055131320
oct123474362604
931864104261
1011223033220
11483a122a73
1222126a2a84
13109b1b7879
1478676a980
1545a44829a
hex29cf1e584

11223033220 has 48 divisors (see below), whose sum is σ = 27031229568. Its totient is φ = 3834190080.

The previous prime is 11223033187. The next prime is 11223033223. The reversal of 11223033220 is 2233032211.

11223033220 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not an unprimeable number, because it can be changed into a prime (11223033223) by changing a digit.

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, 103302 + ... + 181981.

It is an arithmetic number, because the mean of its divisors is an integer number (563150616).

Almost surely, 211223033220 is an apocalyptic number.

11223033220 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

11223033220 is an abundant number, since it is smaller than the sum of its proper divisors (15808196348).

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

11223033220 is a wasteful number, since it uses less digits than its factorization.

11223033220 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 285580 (or 285578 counting only the distinct ones).

The product of its (nonzero) digits is 432, while the sum is 19.

Adding to 11223033220 its reverse (2233032211), we get a palindrome (13456065431).

The spelling of 11223033220 in words is "eleven billion, two hundred twenty-three million, thirty-three thousand, two hundred twenty".

Divisors: 1 2 4 5 7 10 14 20 28 35 70 140 281 562 1124 1405 1967 2810 3934 5620 7868 9835 19670 39340 285283 570566 1141132 1426415 1996981 2852830 3993962 5705660 7987924 9984905 19969810 39939620 80164523 160329046 320658092 400822615 561151661 801645230 1122303322 1603290460 2244606644 2805758305 5611516610 11223033220