205455536 has 40 divisors (see below), whose sum is σ = 467667984. Its totient is φ = 86204160.

The previous prime is 205455533. The next prime is 205455571. The reversal of 205455536 is 635554502.

It is a junction number, because it is equal to n+sod(n) for n = 205455496 and 205455505.

It is not an unprimeable number, because it can be changed into a prime (205455533) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 42611 + ... + 47186.

Almost surely, 2^205455536 is an apocalyptic number.

205455536 is a gapful number since it is divisible by the number (26) formed by its first and last digit.

It is an amenable number.

205455536 is an abundant number, since it is smaller than the sum of its proper divisors (262212448).

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

205455536 is a wasteful number, since it uses less digits than its factorization.

205455536 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 89829 (or 89823 counting only the distinct ones).

The product of its (nonzero) digits is 90000, while the sum is 35.

The square root of 205455536 is about 14333.7202428400. The cubic root of 205455536 is about 590.0732801826.

The spelling of 205455536 in words is "two hundred five million, four hundred fifty-five thousand, five hundred thirty-six".