200655605 has 4 divisors (see below), whose sum is σ = 240786732. Its totient is φ = 160524480.

The previous prime is 200655601. The next prime is 200655613. The reversal of 200655605 is 506556002.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 114425809 + 86229796 = 10697^2 + 9286^2 .

It is not a de Polignac number, because 200655605 - 2² = 200655601 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (200655601) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 20065556 + ... + 20065565.

It is an arithmetic number, because the mean of its divisors is an integer number (60196683).

Almost surely, 2^200655605 is an apocalyptic number.

It is an amenable number.

200655605 is a deficient number, since it is larger than the sum of its proper divisors (40131127).

200655605 is an equidigital number, since it uses as much as digits as its factorization.

200655605 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 40131126.

The product of its (nonzero) digits is 9000, while the sum is 29.

The square root of 200655605 is about 14165.2957964174. The cubic root of 200655605 is about 585.4418509082.

The spelling of 200655605 in words is "two hundred million, six hundred fifty-five thousand, six hundred five".