205528992 has 48 divisors (see below), whose sum is σ = 552071520. Its totient is φ = 66915072.

The previous prime is 205528987. The next prime is 205528993. The reversal of 205528992 is 299825502.

It is a tau number, because it is divible by the number of its divisors (48).

It is not an unprimeable number, because it can be changed into a prime (205528993) 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, 20767 + ... + 29022.

It is an arithmetic number, because the mean of its divisors is an integer number (11501490).

Almost surely, 2^205528992 is an apocalyptic number.

It is an amenable number.

205528992 is an abundant number, since it is smaller than the sum of its proper divisors (346542528).

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

205528992 is a wasteful number, since it uses less digits than its factorization.

205528992 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 49845 (or 49837 counting only the distinct ones).

The product of its (nonzero) digits is 129600, while the sum is 42.

The square root of 205528992 is about 14336.2823632907. The cubic root of 205528992 is about 590.1435942745.

The spelling of 205528992 in words is "two hundred five million, five hundred twenty-eight thousand, nine hundred ninety-two".