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220110311020 = 22573622924203
BaseRepresentation
bin1100110011111110011…
…0001100111001101100
3210001010212101100000111
43030333212030321230
512101241214423040
6245041155505404
721621352526245
oct3147746147154
9701125340014
10220110311020
1185391594556
12367aa5b8264
13179aa80a8b2
14a920cbdccc
155ad3c2edea
hex333f98ce6c

220110311020 has 48 divisors (see below), whose sum is σ = 468658179360. Its totient is φ = 86820512256.

The previous prime is 220110310939. The next prime is 220110311039. The reversal of 220110311020 is 20113011022.

It is a super-2 number, since 2×2201103110202 (a number of 23 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 9082239 + ... + 9106441.

It is an arithmetic number, because the mean of its divisors is an integer number (9763712070).

Almost surely, 2220110311020 is an apocalyptic number.

220110311020 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

220110311020 is an abundant number, since it is smaller than the sum of its proper divisors (248547868340).

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

220110311020 is a wasteful number, since it uses less digits than its factorization.

220110311020 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 30514 (or 30512 counting only the distinct ones).

The product of its (nonzero) digits is 24, while the sum is 13.

Adding to 220110311020 its reverse (20113011022), we get a palindrome (240223322042).

The spelling of 220110311020 in words is "two hundred twenty billion, one hundred ten million, three hundred eleven thousand, twenty".

Divisors: 1 2 4 5 10 20 73 146 292 365 730 1460 6229 12458 24203 24916 31145 48406 62290 96812 121015 124580 242030 454717 484060 909434 1766819 1818868 2273585 3533638 4547170 7067276 8834095 9094340 17668190 35336380 150760487 301520974 603041948 753802435 1507604870 3015209740 11005515551 22011031102 44022062204 55027577755 110055155510 220110311020