Base | Representation |
---|---|
bin | 10010101000101100… |
… | …110111010001011001 |
3 | 1220122112201121001001 |
4 | 102220230313101121 |
5 | 311440102432301 |
6 | 13105332025001 |
7 | 1305604624633 |
oct | 225054672131 |
9 | 56575647031 |
10 | 20010202201 |
11 | 85392680a0 |
12 | 3a65462161 |
13 | 1b6b83a542 |
14 | d7b7bda53 |
15 | 7c1ad3c01 |
hex | 4a8b37459 |
20010202201 has 12 divisors (see below), whose sum is σ = 22303674000. Its totient is φ = 17804026760.
The previous prime is 20010202187. The next prime is 20010202243. The reversal of 20010202201 is 10220201002.
It is not a de Polignac number, because 20010202201 - 211 = 20010200153 is a prime.
It is a Duffinian number.
It is not an unprimeable number, because it can be changed into a prime (20010202301) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (17) of ones.
It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 387451 + ... + 436048.
It is an arithmetic number, because the mean of its divisors is an integer number (1858639500).
Almost surely, 220010202201 is an apocalyptic number.
It is an amenable number.
20010202201 is a deficient number, since it is larger than the sum of its proper divisors (2293471799).
20010202201 is an equidigital number, since it uses as much as digits as its factorization.
20010202201 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 823604 (or 823557 counting only the distinct ones).
The product of its (nonzero) digits is 16, while the sum is 10.
Adding to 20010202201 its reverse (10220201002), we get a palindrome (30230403203).
The spelling of 20010202201 in words is "twenty billion, ten million, two hundred two thousand, two hundred one".
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