205522556192 has 18 divisors (see below), whose sum is σ = 404627581449. Its totient is φ = 102759995840.

The previous prime is 205522556149. The next prime is 205522556209. The reversal of 205522556192 is 291655225502.

It is a powerful number, because all its prime factors have an exponent greater than 1 and also an Achilles number because it is not a perfect power.

It can be written as a sum of positive squares in 2 ways, for example, as 202107790096 + 3414766096 = 449564^2 + 58436^2 .

It is an ABA number since it can be written as A⋅B^A, here for A=2, B=320564.

It is a super-2 number, since 2×205522556192² (a number of 23 digits) contains 22 as substring.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 2 ways as a sum of consecutive naturals, for example, 2524442 + ... + 2604582.

Almost surely, 2^205522556192 is an apocalyptic number.

It is an amenable number.

205522556192 is a deficient number, since it is larger than the sum of its proper divisors (199105025257).

205522556192 is an frugal number, since it uses more digits than its factorization.

205522556192 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 160292 (or 80143 counting only the distinct ones).

The product of its (nonzero) digits is 540000, while the sum is 44.

The spelling of 205522556192 in words is "two hundred five billion, five hundred twenty-two million, five hundred fifty-six thousand, one hundred ninety-two".