Search a number
-
+
20222021201 is a prime number
BaseRepresentation
bin10010110101010100…
…111000111001010001
31221012022022010002012
4102311110320321101
5312403314134301
613142340032305
71314056226014
oct226524707121
957168263065
1020222021201
118637892918
123b04392695
131ba36a2325
14d9b99b37b
157d54c4ebb
hex4b5538e51

20222021201 has 2 divisors, whose sum is σ = 20222021202. Its totient is φ = 20222021200.

The previous prime is 20222021191. The next prime is 20222021207. The reversal of 20222021201 is 10212022202.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 19183635025 + 1038386176 = 138505^2 + 32224^2 .

It is a cyclic number.

It is not a de Polignac number, because 20222021201 - 230 = 19148279377 is a prime.

It is not a weakly prime, because it can be changed into another prime (20222021207) 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 as a sum of consecutive naturals, namely, 10111010600 + 10111010601.

It is an arithmetic number, because the mean of its divisors is an integer number (10111010601).

Almost surely, 220222021201 is an apocalyptic number.

It is an amenable number.

20222021201 is a deficient number, since it is larger than the sum of its proper divisors (1).

20222021201 is an equidigital number, since it uses as much as digits as its factorization.

20222021201 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 64, while the sum is 14.

Adding to 20222021201 its reverse (10212022202), we get a palindrome (30434043403).

The spelling of 20222021201 in words is "twenty billion, two hundred twenty-two million, twenty-one thousand, two hundred one".