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2212320132220 = 2251155031827367
BaseRepresentation
bin100000001100011000100…
…011100011110001111100
321211111101101122002122211
4200030120203203301330
5242221312423212340
64412154214150204
7315556232564632
oct40143043436174
97744341562584
102212320132220
11783270048740
122b8919652364
1313080c1444c3
1479110cc3352
153c832d5b5ea
hex203188e3c7c

2212320132220 has 48 divisors (see below), whose sum is σ = 5069148069888. Its totient is φ = 804333418560.

The previous prime is 2212320132203. The next prime is 2212320132233. The reversal of 2212320132220 is 222310232122.

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 = 2212320132191 and 2212320132200.

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, 296977 + ... + 2124343.

It is an arithmetic number, because the mean of its divisors is an integer number (105607251456).

Almost surely, 22212320132220 is an apocalyptic number.

2212320132220 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2212320132220 is an abundant number, since it is smaller than the sum of its proper divisors (2856827937668).

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

2212320132220 is a wasteful number, since it uses less digits than its factorization.

2212320132220 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1832890 (or 1832888 counting only the distinct ones).

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

Adding to 2212320132220 its reverse (222310232122), we get a palindrome (2434630364342).

The spelling of 2212320132220 in words is "two trillion, two hundred twelve billion, three hundred twenty million, one hundred thirty-two thousand, two hundred twenty".

Divisors: 1 2 4 5 10 11 20 22 44 55 110 220 5503 11006 22012 27515 55030 60533 110060 121066 242132 302665 605330 1210660 1827367 3654734 7309468 9136835 18273670 20101037 36547340 40202074 80404148 100505185 201010370 402020740 10056000601 20112001202 40224002404 50280003005 100560006010 110616006611 201120012020 221232013222 442464026444 553080033055 1106160066110 2212320132220