205505452 has 24 divisors (see below), whose sum is σ = 381405024. Its totient is φ = 96552192.

The previous prime is 205505441. The next prime is 205505459. The reversal of 205505452 is 254505502.

205505452 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a super-3 number, since 3×205505452³ (a number of 26 digits) contains 333 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 205505452.

It is not an unprimeable number, because it can be changed into a prime (205505459) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 47358 + ... + 51514.

It is an arithmetic number, because the mean of its divisors is an integer number (15891876).

Almost surely, 2^205505452 is an apocalyptic number.

It is an amenable number.

205505452 is a deficient number, since it is larger than the sum of its proper divisors (175899572).

205505452 is a wasteful number, since it uses less digits than its factorization.

205505452 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4905 (or 4903 counting only the distinct ones).

The product of its (nonzero) digits is 10000, while the sum is 28.

The square root of 205505452 is about 14335.4613459072. The cubic root of 205505452 is about 590.1210629672.

Subtracting 205505452 from its reverse (254505502), we obtain a triangular number (49000050 = T₉₈₉₉).

The spelling of 205505452 in words is "two hundred five million, five hundred five thousand, four hundred fifty-two".