205980552 has 24 divisors (see below), whose sum is σ = 557864190. Its totient is φ = 68660160.

The previous prime is 205980529. The next prime is 205980553. The reversal of 205980552 is 255089502.

205980552 is a `hidden beast` number, since 20 + 5 + 9 + 80 + 552 = 666.

It can be written as a sum of positive squares in only one way, i.e., 198979236 + 7001316 = 14106^2 + 2646^2 .

It is a tau number, because it is divible by the number of its divisors (24).

It is a Harshad number since it is a multiple of its sum of digits (36).

It is not an unprimeable number, because it can be changed into a prime (205980553) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 1430349 + ... + 1430492.

Almost surely, 2^205980552 is an apocalyptic number.

It is an amenable number.

205980552 is an abundant number, since it is smaller than the sum of its proper divisors (351883638).

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

205980552 is a wasteful number, since it uses less digits than its factorization.

205980552 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2860853 (or 2860846 counting only the distinct ones).

The product of its (nonzero) digits is 36000, while the sum is 36.

The square root of 205980552 is about 14352.0225752331. The cubic root of 205980552 is about 590.5754722221.

The spelling of 205980552 in words is "two hundred five million, nine hundred eighty thousand, five hundred fifty-two".