205797075080 has 16 divisors (see below), whose sum is σ = 463043419020. Its totient is φ = 82318830016.

The previous prime is 205797075073. The next prime is 205797075119. The reversal of 205797075080 is 80570797502.

205797075080 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 2 ways, for example, as 202048452004 + 3748623076 = 449498^2 + 61226^2 .

It is a super-2 number, since 2×205797075080² (a number of 23 digits) contains 22 as substring.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2572463399 + ... + 2572463478.

Almost surely, 2^205797075080 is an apocalyptic number.

205797075080 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

205797075080 is an abundant number, since it is smaller than the sum of its proper divisors (257246343940).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

205797075080 is a wasteful number, since it uses less digits than its factorization.

205797075080 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5144926888 (or 5144926884 counting only the distinct ones).

The product of its (nonzero) digits is 1234800, while the sum is 50.

The spelling of 205797075080 in words is "two hundred five billion, seven hundred ninety-seven million, seventy-five thousand, eighty".