205161952 has 24 divisors (see below), whose sum is σ = 404271000. Its totient is φ = 102489984.

The previous prime is 205161949. The next prime is 205161959. The reversal of 205161952 is 259161502.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (205161959) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 47499 + ... + 51637.

It is an arithmetic number, because the mean of its divisors is an integer number (16844625).

Almost surely, 2^205161952 is an apocalyptic number.

It is an amenable number.

205161952 is a deficient number, since it is larger than the sum of its proper divisors (199109048).

205161952 is a wasteful number, since it uses less digits than its factorization.

205161952 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5698 (or 5690 counting only the distinct ones).

The product of its (nonzero) digits is 5400, while the sum is 31.

The square root of 205161952 is about 14323.4755558838. The cubic root of 205161952 is about 589.7920860817.

The spelling of 205161952 in words is "two hundred five million, one hundred sixty-one thousand, nine hundred fifty-two".