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220211320230220 = 2251127111099333587
BaseRepresentation
bin110010000100011111110001…
…100001001001000101001100
31001212200222220112101112020111
4302010133301201021011030
5212330420240434331340
62100203403421325404
764245512541554164
oct6204376141110514
91055628815345214
10220211320230220
1164191107411050
1220846519706864
1395b4ab8c4b357
143c543db5915a4
151a6d3060e1aea
hexc847f184914c

220211320230220 has 96 divisors (see below), whose sum is σ = 504731138720256. Its totient is φ = 80037641241600.

The previous prime is 220211320230211. The next prime is 220211320230263. The reversal of 220211320230220 is 22032023112022.

It is a Harshad number since it is a multiple of its sum of digits (22).

It is a junction number, because it is equal to n+sod(n) for n = 220211320230191 and 220211320230200.

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, 6556428267 + ... + 6556461853.

It is an arithmetic number, because the mean of its divisors is an integer number (5257616028336).

Almost surely, 2220211320230220 is an apocalyptic number.

220211320230220 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

220211320230220 is an abundant number, since it is smaller than the sum of its proper divisors (284519818490036).

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

220211320230220 is a wasteful number, since it uses less digits than its factorization.

220211320230220 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 47311 (or 47309 counting only the distinct ones).

The product of its (nonzero) digits is 1152, while the sum is 22.

Adding to 220211320230220 its reverse (22032023112022), we get a palindrome (242243343342242).

The spelling of 220211320230220 in words is "two hundred twenty trillion, two hundred eleven billion, three hundred twenty million, two hundred thirty thousand, two hundred twenty".

Divisors: 1 2 4 5 10 11 20 22 44 55 110 220 2711 5422 10844 10993 13555 21986 27110 29821 33587 43972 54220 54965 59642 67174 109930 119284 120923 134348 149105 167935 219860 241846 298210 335870 369457 483692 596420 604615 671740 738914 1209230 1477828 1847285 2418460 3694570 7389140 29802023 59604046 91054357 119208092 149010115 182108714 298020230 327822253 364217428 369221891 455271785 596040460 655644506 738443782 910543570 1001597927 1311289012 1476887564 1639111265 1821087140 1846109455 2003195854 3278222530 3692218910 4006391708 4061440801 5007989635 6556445060 7384437820 8122881602 10015979270 16245763204 20031958540 20307204005 40614408010 81228816020 1000960546501 2001921093002 4003842186004 5004802732505 10009605465010 11010566011511 20019210930020 22021132023022 44042264046044 55052830057555 110105660115110 220211320230220