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221113330020320 = 25519299924252967
BaseRepresentation
bin110010010001100111110101…
…011111011010111111100000
31001222220020011010221112012012
4302101213311133122333200
5212440210044441122240
62102134021141452052
764400624305353113
oct6221476537327740
91058806133845165
10221113330020320
11644a97004249a1
12209712b2a11028
13964bb88bcb96a
143c85d2986057a
151a869e9cb6b65
hexc919f57dafe0

221113330020320 has 96 divisors (see below), whose sum is σ = 550057314240000. Its totient is φ = 83762371662336.

The previous prime is 221113330020287. The next prime is 221113330020337. The reversal of 221113330020320 is 23020033311122.

It is a super-2 number, since 2×2211133300203202 (a number of 29 digits) contains 22 as substring.

It is a congruent number.

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, 3009524 + ... + 21243443.

It is an arithmetic number, because the mean of its divisors is an integer number (5729763690000).

Almost surely, 2221113330020320 is an apocalyptic number.

221113330020320 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

221113330020320 is an abundant number, since it is smaller than the sum of its proper divisors (328943984219680).

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

221113330020320 is a wasteful number, since it uses less digits than its factorization.

221113330020320 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 24256000 (or 24255992 counting only the distinct ones).

The product of its (nonzero) digits is 1296, while the sum is 23.

Adding to 221113330020320 its reverse (23020033311122), we get a palindrome (244133363331442).

The spelling of 221113330020320 in words is "two hundred twenty-one trillion, one hundred thirteen billion, three hundred thirty million, twenty thousand, three hundred twenty".

Divisors: 1 2 4 5 8 10 16 19 20 32 38 40 76 80 95 152 160 190 304 380 608 760 1520 2999 3040 5998 11996 14995 23992 29990 47984 56981 59980 95968 113962 119960 227924 239920 284905 455848 479840 569810 911696 1139620 1823392 2279240 4558480 9116960 24252967 48505934 97011868 121264835 194023736 242529670 388047472 460806373 485059340 776094944 921612746 970118680 1843225492 1940237360 2304031865 3686450984 3880474720 4608063730 7372901968 9216127460 14745803936 18432254920 36864509840 72734648033 73729019680 145469296066 290938592132 363673240165 581877184264 727346480330 1163754368528 1381958312627 1454692960660 2327508737056 2763916625254 2909385921320 5527833250508 5818771842640 6909791563135 11055666501016 11637543685280 13819583126270 22111333002032 27639166252540 44222666004064 55278332505080 110556665010160 221113330020320