205080415922 has 6 divisors (see below), whose sum is σ = 307621584543. Its totient is φ = 102539887742.

The previous prime is 205080415921. The next prime is 205080415937. The reversal of 205080415922 is 229514080502.

It can be written as a sum of positive squares in only one way, i.e., 102540207961 + 102540207961 = 320219^2 + 320219^2 .

It is an ABA number since it can be written as A⋅B^A, here for A=2, B=320219.

It is a super-2 number, since 2×205080415922² (a number of 23 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (205080415921) by changing a digit.

It is a polite number, since it can be written in 2 ways as a sum of consecutive naturals, for example, 480329 + ... + 800547.

Almost surely, 2^205080415922 is an apocalyptic number.

205080415922 is a deficient number, since it is larger than the sum of its proper divisors (102541168621).

205080415922 is an frugal number, since it uses more digits than its factorization.

205080415922 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 640440 (or 320221 counting only the distinct ones).

The product of its (nonzero) digits is 57600, while the sum is 38.

The spelling of 205080415922 in words is "two hundred five billion, eighty million, four hundred fifteen thousand, nine hundred twenty-two".