Base | Representation |
---|---|
bin | 10011000001110110… |
… | …101111011111111001 |
3 | 1221201221211102122102 |
4 | 103001312233133321 |
5 | 313321122102301 |
6 | 13215245233145 |
7 | 1322221010636 |
oct | 230166573771 |
9 | 57657742572 |
10 | 20432222201 |
11 | 8735502a56 |
12 | 3b628627b5 |
13 | 1c080bb811 |
14 | dbb87718d |
15 | 7e8b96b6b |
hex | 4c1daf7f9 |
20432222201 has 4 divisors (see below), whose sum is σ = 21320579712. Its totient is φ = 19543864692.
The previous prime is 20432222189. The next prime is 20432222207. The reversal of 20432222201 is 10222223402.
It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.
It is a cyclic number.
It is not a de Polignac number, because 20432222201 - 26 = 20432222137 is a prime.
It is a Duffinian number.
It is not an unprimeable number, because it can be changed into a prime (20432222207) by changing a digit.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 444178721 + ... + 444178766.
It is an arithmetic number, because the mean of its divisors is an integer number (5330144928).
Almost surely, 220432222201 is an apocalyptic number.
It is an amenable number.
20432222201 is a deficient number, since it is larger than the sum of its proper divisors (888357511).
20432222201 is an equidigital number, since it uses as much as digits as its factorization.
20432222201 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 888357510.
The product of its (nonzero) digits is 768, while the sum is 20.
Adding to 20432222201 its reverse (10222223402), we get a palindrome (30654445603).
The spelling of 20432222201 in words is "twenty billion, four hundred thirty-two million, two hundred twenty-two thousand, two hundred one".
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