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203223223020 = 223510151333667
BaseRepresentation
bin1011110101000100001…
…1000100101011101100
3201102112222100101020210
42331101003010223230
511312200121114040
6233205350542420
720453026615446
oct2752103045354
9642488311223
10203223223020
1179206236384
1233477067a10
131621902c12c
149b9c1d3496
15544640d480
hex2f510c4aec

203223223020 has 48 divisors (see below), whose sum is σ = 569082786048. Its totient is φ = 54187358400.

The previous prime is 203223223001. The next prime is 203223223037. The reversal of 203223223020 is 20322322302.

203223223020 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

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, 442227 + ... + 775893.

It is an arithmetic number, because the mean of its divisors is an integer number (11855891376).

Almost surely, 2203223223020 is an apocalyptic number.

203223223020 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

203223223020 is an abundant number, since it is smaller than the sum of its proper divisors (365859563028).

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

203223223020 is a wasteful number, since it uses less digits than its factorization.

203223223020 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 343830 (or 343828 counting only the distinct ones).

The product of its (nonzero) digits is 1728, while the sum is 21.

Adding to 203223223020 its reverse (20322322302), we get a palindrome (223545545322).

The spelling of 203223223020 in words is "two hundred three billion, two hundred twenty-three million, two hundred twenty-three thousand, twenty".

Divisors: 1 2 3 4 5 6 10 12 15 20 30 60 10151 20302 30453 40604 50755 60906 101510 121812 152265 203020 304530 333667 609060 667334 1001001 1334668 1668335 2002002 3336670 4004004 5005005 6673340 10010010 20020020 3387053717 6774107434 10161161151 13548214868 16935268585 20322322302 33870537170 40644644604 50805805755 67741074340 101611611510 203223223020