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20221301201 = 61331496741
BaseRepresentation
bin10010110101010010…
…001001000111010001
31221012020221112102112
4102311102021013101
5312403123114301
613142312355105
71314050136623
oct226522110721
957166845375
1020221301201
118637440982
123b040a5a95
131ba34ac6aa
14d9b850c13
157d53d19bb
hex4b54891d1

20221301201 has 4 divisors (see below), whose sum is σ = 20552798004. Its totient is φ = 19889804400.

The previous prime is 20221301179. The next prime is 20221301213. The reversal of 20221301201 is 10210312202.

It is a happy number.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 10210312202 = 25105156101.

It can be written as a sum of positive squares in 2 ways, for example, as 8574574801 + 11646726400 = 92599^2 + 107920^2 .

It is a cyclic number.

It is not a de Polignac number, because 20221301201 - 26 = 20221301137 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (20221301501) 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, 165748310 + ... + 165748431.

It is an arithmetic number, because the mean of its divisors is an integer number (5138199501).

Almost surely, 220221301201 is an apocalyptic number.

It is an amenable number.

20221301201 is a deficient number, since it is larger than the sum of its proper divisors (331496803).

20221301201 is an equidigital number, since it uses as much as digits as its factorization.

20221301201 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 331496802.

The product of its (nonzero) digits is 48, while the sum is 14.

Adding to 20221301201 its reverse (10210312202), we get a palindrome (30431613403).

The spelling of 20221301201 in words is "twenty billion, two hundred twenty-one million, three hundred one thousand, two hundred one".

Divisors: 1 61 331496741 20221301201