Search a number
-
+
220123044420 = 2235173197107647
BaseRepresentation
bin1100110100000001011…
…0110001101001000100
3210001011202100020221220
43031000112301221010
512101302444410140
6245042332440340
721621566001666
oct3150026615104
9701152306856
10220123044420
11853987a1324
12367b29190b0
13179b0348656
14a922876536
155ad4de7bd0
hex33405b1a44

220123044420 has 96 divisors (see below), whose sum is σ = 623059734528. Its totient is φ = 58063391232.

The previous prime is 220123044371. The next prime is 220123044431. The reversal of 220123044420 is 24440321022.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 1991037 + ... + 2098683.

It is an arithmetic number, because the mean of its divisors is an integer number (6490205568).

Almost surely, 2220123044420 is an apocalyptic number.

220123044420 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

220123044420 is an abundant number, since it is smaller than the sum of its proper divisors (402936690108).

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

220123044420 is a wasteful number, since it uses less digits than its factorization.

220123044420 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 108029 (or 108027 counting only the distinct ones).

The product of its (nonzero) digits is 3072, while the sum is 24.

Adding to 220123044420 its reverse (24440321022), we get a palindrome (244563365442).

The spelling of 220123044420 in words is "two hundred twenty billion, one hundred twenty-three million, forty-four thousand, four hundred twenty".

Divisors: 1 2 3 4 5 6 10 12 15 20 30 60 173 197 346 394 519 591 692 788 865 985 1038 1182 1730 1970 2076 2364 2595 2955 3460 3940 5190 5910 10380 11820 34081 68162 102243 107647 136324 170405 204486 215294 322941 340810 408972 430588 511215 538235 645882 681620 1022430 1076470 1291764 1614705 2044860 2152940 3229410 6458820 18622931 21206459 37245862 42412918 55868793 63619377 74491724 84825836 93114655 106032295 111737586 127238754 186229310 212064590 223475172 254477508 279343965 318096885 372458620 424129180 558687930 636193770 1117375860 1272387540 3668717407 7337434814 11006152221 14674869628 18343587035 22012304442 36687174070 44024608884 55030761105 73374348140 110061522210 220123044420