205220412301 has 2 divisors, whose sum is σ = 205220412302. Its totient is φ = 205220412300.

The previous prime is 205220412263. The next prime is 205220412311. The reversal of 205220412301 is 103214022502.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 108965349801 + 96255062500 = 330099^2 + 310250^2 .

It is a cyclic number.

It is not a de Polignac number, because 205220412301 - 2¹¹ = 205220410253 is a prime.

It is a super-2 number, since 2×205220412301² (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 (205220412311) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 102610206150 + 102610206151.

It is an arithmetic number, because the mean of its divisors is an integer number (102610206151).

Almost surely, 2^205220412301 is an apocalyptic number.

It is an amenable number.

205220412301 is a deficient number, since it is larger than the sum of its proper divisors (1).

205220412301 is an equidigital number, since it uses as much as digits as its factorization.

205220412301 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 960, while the sum is 22.

Adding to 205220412301 its reverse (103214022502), we get a palindrome (308434434803).

The spelling of 205220412301 in words is "two hundred five billion, two hundred twenty million, four hundred twelve thousand, three hundred one".