205504552052 has 12 divisors (see below), whose sum is σ = 375269182176. Its totient is φ = 98284785720.

The previous prime is 205504551953. The next prime is 205504552091. The reversal of 205504552052 is 250255405502.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1116872474 + ... + 1116872657.

It is an arithmetic number, because the mean of its divisors is an integer number (31272431848).

Almost surely, 2^205504552052 is an apocalyptic number.

It is an amenable number.

205504552052 is a deficient number, since it is larger than the sum of its proper divisors (169764630124).

205504552052 is a wasteful number, since it uses less digits than its factorization.

205504552052 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2233745158 (or 2233745156 counting only the distinct ones).

The product of its (nonzero) digits is 100000, while the sum is 35.

Adding to 205504552052 its reverse (250255405502), we get a palindrome (455759957554).

The spelling of 205504552052 in words is "two hundred five billion, five hundred four million, five hundred fifty-two thousand, fifty-two".