205955487052 has 24 divisors (see below), whose sum is σ = 415760615424. Its totient is φ = 87441714192.

The previous prime is 205955487019. The next prime is 205955487107. The reversal of 205955487052 is 250784559502.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 34368748 + ... + 34374739.

It is an arithmetic number, because the mean of its divisors is an integer number (17323358976).

Almost surely, 2^205955487052 is an apocalyptic number.

It is an amenable number.

205955487052 is an abundant number, since it is smaller than the sum of its proper divisors (209805128372).

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

205955487052 is a wasteful number, since it uses less digits than its factorization.

205955487052 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 68743605 (or 68743603 counting only the distinct ones).

The product of its (nonzero) digits is 5040000, while the sum is 52.

The spelling of 205955487052 in words is "two hundred five billion, nine hundred fifty-five million, four hundred eighty-seven thousand, fifty-two".