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11233210220 = 22531113223719
BaseRepresentation
bin10100111011000110…
…10010111101101100
31001222212021012111222
422131203102331230
5141001200211340
65054354402512
7545240466011
oct123543227554
931885235458
1011233210220
114844944111
122215b90438
1310a033bb6b
14787c59708
1545b2a88b5
hex29d8d2f6c

11233210220 has 96 divisors (see below), whose sum is σ = 24710676480. Its totient is φ = 4284564480.

The previous prime is 11233210213. The next prime is 11233210243. The reversal of 11233210220 is 2201233211.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 15623021 + ... + 15623739.

It is an arithmetic number, because the mean of its divisors is an integer number (257402880).

Almost surely, 211233210220 is an apocalyptic number.

11233210220 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 11233210220, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (12355338240).

11233210220 is an abundant number, since it is smaller than the sum of its proper divisors (13477466260).

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

11233210220 is a wasteful number, since it uses less digits than its factorization.

11233210220 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1095 (or 1093 counting only the distinct ones).

The product of its (nonzero) digits is 144, while the sum is 17.

Adding to 11233210220 its reverse (2201233211), we get a palindrome (13434443431).

The spelling of 11233210220 in words is "eleven billion, two hundred thirty-three million, two hundred ten thousand, two hundred twenty".

Divisors: 1 2 4 5 10 20 31 62 113 124 155 223 226 310 446 452 565 620 719 892 1115 1130 1438 2230 2260 2876 3503 3595 4460 6913 7006 7190 13826 14012 14380 17515 22289 25199 27652 34565 35030 44578 50398 69130 70060 81247 89156 100796 111445 125995 138260 160337 162494 222890 251990 320674 324988 406235 445780 503980 641348 781169 801685 812470 1562338 1603370 1624940 2518657 3124676 3206740 3905845 4970447 5037314 7811690 9940894 10074628 12593285 15623380 18118081 19881788 24852235 25186570 36236162 49704470 50373140 72472324 90590405 99408940 181180810 362361620 561660511 1123321022 2246642044 2808302555 5616605110 11233210220