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20222004211 = 30631660181
BaseRepresentation
bin10010110101010100…
…110100101111110011
31221012022021020202221
4102311110310233303
5312403313113321
613142335421511
71314056125333
oct226524645763
957168236687
1020222004211
118637881082
123b04384897
131ba3697686
14d9b9950c3
157d54bee41
hex4b5534bf3

20222004211 has 4 divisors (see below), whose sum is σ = 20222695024. Its totient is φ = 20221313400.

The previous prime is 20222004199. The next prime is 20222004221. The reversal of 20222004211 is 11240022202.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 20222004211 - 223 = 20213615603 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (20222004221) 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, 299460 + ... + 360721.

It is an arithmetic number, because the mean of its divisors is an integer number (5055673756).

Almost surely, 220222004211 is an apocalyptic number.

20222004211 is a deficient number, since it is larger than the sum of its proper divisors (690813).

20222004211 is an equidigital number, since it uses as much as digits as its factorization.

20222004211 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 690812.

The product of its (nonzero) digits is 128, while the sum is 16.

Adding to 20222004211 its reverse (11240022202), we get a palindrome (31462026413).

The spelling of 20222004211 in words is "twenty billion, two hundred twenty-two million, four thousand, two hundred eleven".

Divisors: 1 30631 660181 20222004211