205550112 has 96 divisors (see below), whose sum is σ = 558472320. Its totient is φ = 66160640.

The previous prime is 205550101. The next prime is 205550141. The reversal of 205550112 is 211055502.

It is a tau number, because it is divible by the number of its divisors (96).

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 360964 + ... + 361532.

It is an arithmetic number, because the mean of its divisors is an integer number (5817420).

Almost surely, 2^205550112 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 205550112, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (279236160).

205550112 is an abundant number, since it is smaller than the sum of its proper divisors (352922208).

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

205550112 is a wasteful number, since it uses less digits than its factorization.

205550112 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 706 (or 698 counting only the distinct ones).

The product of its (nonzero) digits is 500, while the sum is 21.

The square root of 205550112 is about 14337.0189370036. The cubic root of 205550112 is about 590.1638078150.

The spelling of 205550112 in words is "two hundred five million, five hundred fifty thousand, one hundred twelve".