Search a number
-
+
20201027207 is a prime number
BaseRepresentation
bin10010110100000100…
…110011011010000111
31221010211210111201212
4102310010303122013
5312332430332312
613140310042035
71313412620024
oct226404633207
957124714655
1020201027207
118626a53809
123ab934931b
131b9c23164a
14d98c9454b
157d3729822
hex4b4133687

20201027207 has 2 divisors, whose sum is σ = 20201027208. Its totient is φ = 20201027206.

The previous prime is 20201027177. The next prime is 20201027219. The reversal of 20201027207 is 70272010202.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 20201027207 - 212 = 20201023111 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (20201027227) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 10100513603 + 10100513604.

It is an arithmetic number, because the mean of its divisors is an integer number (10100513604).

Almost surely, 220201027207 is an apocalyptic number.

20201027207 is a deficient number, since it is larger than the sum of its proper divisors (1).

20201027207 is an equidigital number, since it uses as much as digits as its factorization.

20201027207 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 23.

Adding to 20201027207 its reverse (70272010202), we get a palindrome (90473037409).

The spelling of 20201027207 in words is "twenty billion, two hundred one million, twenty-seven thousand, two hundred seven".