Search a number
-
+
2020221101077 is a prime number
BaseRepresentation
bin11101011001011110100…
…011111010010000010101
321011010112200102012212121
4131121132203322100111
5231044403100213302
64144024325215541
7265645651012354
oct35313643722025
97133480365777
102020221101077
11709853165373
12287647b615b1
131186769a393a
146daca28b99b
153783d36ee37
hex1d65e8fa415

2020221101077 has 2 divisors, whose sum is σ = 2020221101078. Its totient is φ = 2020221101076.

The previous prime is 2020221101051. The next prime is 2020221101111. The reversal of 2020221101077 is 7701011220202.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 1836157792401 + 184063308676 = 1355049^2 + 429026^2 .

It is a cyclic number.

It is not a de Polignac number, because 2020221101077 - 231 = 2018073617429 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2020221102077) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1010110550538 + 1010110550539.

It is an arithmetic number, because the mean of its divisors is an integer number (1010110550539).

Almost surely, 22020221101077 is an apocalyptic number.

It is an amenable number.

2020221101077 is a deficient number, since it is larger than the sum of its proper divisors (1).

2020221101077 is an equidigital number, since it uses as much as digits as its factorization.

2020221101077 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 784, while the sum is 25.

Adding to 2020221101077 its reverse (7701011220202), we get a palindrome (9721232321279).

The spelling of 2020221101077 in words is "two trillion, twenty billion, two hundred twenty-one million, one hundred one thousand, seventy-seven".