Search a number
-
+
220112200122020 = 225227247719573219
BaseRepresentation
bin110010000011000011011101…
…011111111011111010100100
31001212100112001200102022121222
4302003003131133323322210
5212322304241212401040
62100050052045355512
764235403340544663
oct6203033537737244
91055315050368558
10220112200122020
1164153072723758
122082b276568b98
1395a865081485b
143c4d6b7334dda
151a6a954260bb5
hexc830dd7fbea4

220112200122020 has 48 divisors (see below), whose sum is σ = 464459357396160. Its totient is φ = 87621624284544.

The previous prime is 220112200122011. The next prime is 220112200122037. The reversal of 220112200122020 is 20221002211022.

It is a happy number.

It is a self number, because there is not a number n which added to its sum of digits gives 220112200122020.

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, 1458971 + ... + 21032189.

It is an arithmetic number, because the mean of its divisors is an integer number (9676236612420).

Almost surely, 2220112200122020 is an apocalyptic number.

220112200122020 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

220112200122020 is an abundant number, since it is smaller than the sum of its proper divisors (244347157274140).

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

220112200122020 is a wasteful number, since it uses less digits than its factorization.

220112200122020 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 19575932 (or 19575930 counting only the distinct ones).

The product of its (nonzero) digits is 128, while the sum is 17.

Adding to 220112200122020 its reverse (20221002211022), we get a palindrome (240333202333042).

The spelling of 220112200122020 in words is "two hundred twenty trillion, one hundred twelve billion, two hundred million, one hundred twenty-two thousand, twenty".

Divisors: 1 2 4 5 10 20 227 454 908 1135 2270 2477 4540 4954 9908 12385 24770 49540 562279 1124558 2249116 2811395 5622790 11245580 19573219 39146438 78292876 97866095 195732190 391464380 4443120713 8886241426 17772482852 22215603565 44431207130 48482863463 88862414260 96965726926 193931453852 242414317315 484828634630 969657269260 11005610006101 22011220012202 44022440024404 55028050030505 110056100061010 220112200122020