Base | Representation |
---|---|
bin | 10010101001011010… |
… | …101000101010101001 |
3 | 1220200101022012022001 |
4 | 102221122220222221 |
5 | 312001140413001 |
6 | 13110441131001 |
7 | 1306111620565 |
oct | 225132505251 |
9 | 56611265261 |
10 | 20022201001 |
11 | 8545012a60 |
12 | 3a69489a61 |
13 | 1b7117bb1a |
14 | d7d2246a5 |
15 | 7c2ba4001 |
hex | 4a96a8aa9 |
20022201001 has 32 divisors (see below), whose sum is σ = 22617584640. Its totient is φ = 17569406400.
The previous prime is 20022200977. The next prime is 20022201013. The reversal of 20022201001 is 10010222002.
It is a cyclic number.
It is a de Polignac number, because none of the positive numbers 2k-20022201001 is a prime.
It is a Duffinian number.
It is not an unprimeable number, because it can be changed into a prime (20022201701) by changing a digit.
It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 13500406 + ... + 13501888.
It is an arithmetic number, because the mean of its divisors is an integer number (706799520).
Almost surely, 220022201001 is an apocalyptic number.
It is an amenable number.
20022201001 is a deficient number, since it is larger than the sum of its proper divisors (2595383639).
20022201001 is a wasteful number, since it uses less digits than its factorization.
20022201001 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 1917.
The product of its (nonzero) digits is 16, while the sum is 10.
Adding to 20022201001 its reverse (10010222002), we get a palindrome (30032423003).
The spelling of 20022201001 in words is "twenty billion, twenty-two million, two hundred one thousand, one".
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