Search a number
-
+
220102220022220 = 22531355003580681
BaseRepresentation
bin110010000010111010001010…
…101000111000000111001100
31001212022120022011002201110001
4302002322022220320013030
5212322123321311202340
62100041321453254044
764234601124235054
oct6202721250700714
91055276264081401
10220102220022220
1164149911170a98
1220829350194324
1395a771cca4263
143c4d00bab2564
151a6a56ced429a
hexc82e8aa381cc

220102220022220 has 24 divisors (see below), whose sum is σ = 477124812436608. Its totient is φ = 85200859363200.

The previous prime is 220102220022163. The next prime is 220102220022233. The reversal of 220102220022220 is 22220022201022.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 177501789721 + ... + 177501790960.

It is an arithmetic number, because the mean of its divisors is an integer number (19880200518192).

Almost surely, 2220102220022220 is an apocalyptic number.

220102220022220 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

220102220022220 is an abundant number, since it is smaller than the sum of its proper divisors (257022592414388).

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

220102220022220 is a wasteful number, since it uses less digits than its factorization.

220102220022220 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 355003580721 (or 355003580719 counting only the distinct ones).

The product of its (nonzero) digits is 512, while the sum is 19.

Adding to 220102220022220 its reverse (22220022201022), we get a palindrome (242322242223242).

The spelling of 220102220022220 in words is "two hundred twenty trillion, one hundred two billion, two hundred twenty million, twenty-two thousand, two hundred twenty".

Divisors: 1 2 4 5 10 20 31 62 124 155 310 620 355003580681 710007161362 1420014322724 1775017903405 3550035806810 7100071613620 11005111001111 22010222002222 44020444004444 55025555005555 110051110011110 220102220022220