Base | Representation |
---|---|
bin | 1001001011111011101011… |
… | …11100100011101100101100 |
3 | 2122112012212001120200011012 |
4 | 10211331311330203230230 |
5 | 10121434034230032340 |
6 | 110544150250444352 |
7 | 4153326546563102 |
oct | 445756574435454 |
9 | 78465761520135 |
10 | 20201210002220 |
11 | 6489315446875 |
12 | 23231684336b8 |
13 | b36c731b9c50 |
14 | 4dba5ad13c72 |
15 | 25072e66e565 |
hex | 125f75f23b2c |
20201210002220 has 96 divisors (see below), whose sum is σ = 46770182040960. Its totient is φ = 7283891865600.
The previous prime is 20201210002219. The next prime is 20201210002243. The reversal of 20201210002220 is 2220001210202.
It is a junction number, because it is equal to n+sod(n) for n = 20201210002195 and 20201210002204.
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, 3352040 + ... + 7185999.
It is an arithmetic number, because the mean of its divisors is an integer number (487189396260).
Almost surely, 220201210002220 is an apocalyptic number.
20201210002220 is a gapful number since it is divisible by the number (20) formed by its first and last digit.
It is an amenable number.
20201210002220 is an abundant number, since it is smaller than the sum of its proper divisors (26568972038740).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
20201210002220 is a wasteful number, since it uses less digits than its factorization.
20201210002220 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 10538235 (or 10538233 counting only the distinct ones).
The product of its (nonzero) digits is 64, while the sum is 14.
Adding to 20201210002220 its reverse (2220001210202), we get a palindrome (22421211212422).
The spelling of 20201210002220 in words is "twenty trillion, two hundred one billion, two hundred ten million, two thousand, two hundred twenty".
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