200505564 has 96 divisors (see below), whose sum is σ = 596610560. Its totient is φ = 57044736.

The previous prime is 200505533. The next prime is 200505581. The reversal of 200505564 is 465505002.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 254379 + ... + 255165.

Almost surely, 2^200505564 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 200505564, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (298305280).

200505564 is an abundant number, since it is smaller than the sum of its proper divisors (396104996).

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

200505564 is a wasteful number, since it uses less digits than its factorization.

200505564 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1144 (or 1136 counting only the distinct ones).

The product of its (nonzero) digits is 6000, while the sum is 27.

The square root of 200505564 is about 14159.9987288135. The cubic root of 200505564 is about 585.2958923903.

The spelling of 200505564 in words is "two hundred million, five hundred five thousand, five hundred sixty-four".