201020220727 has 2 divisors, whose sum is σ = 201020220728. Its totient is φ = 201020220726.

The previous prime is 201020220703. The next prime is 201020220749. The reversal of 201020220727 is 727022020102.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 201020220727 - 2¹⁹ = 201019696439 is a prime.

It is a super-2 number, since 2×201020220727² (a number of 23 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (201020220757) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 100510110363 + 100510110364.

It is an arithmetic number, because the mean of its divisors is an integer number (100510110364).

Almost surely, 2^201020220727 is an apocalyptic number.

201020220727 is a deficient number, since it is larger than the sum of its proper divisors (1).

201020220727 is an equidigital number, since it uses as much as digits as its factorization.

201020220727 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1568, while the sum is 25.

Adding to 201020220727 its reverse (727022020102), we get a palindrome (928042240829).

The spelling of 201020220727 in words is "two hundred one billion, twenty million, two hundred twenty thousand, seven hundred twenty-seven".