200655321 has 16 divisors (see below), whose sum is σ = 277421760. Its totient is φ = 128851520.

The previous prime is 200655317. The next prime is 200655331. The reversal of 200655321 is 123556002.

It is a cyclic number.

It is not a de Polignac number, because 200655321 - 2² = 200655317 is a prime.

It is a super-2 number, since 2×200655321² = 80525115691226082, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 200655291 and 200655300.

It is not an unprimeable number, because it can be changed into a prime (200655311) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 37606 + ... + 42608.

It is an arithmetic number, because the mean of its divisors is an integer number (17338860).

Almost surely, 2^200655321 is an apocalyptic number.

It is an amenable number.

200655321 is a deficient number, since it is larger than the sum of its proper divisors (76766439).

200655321 is a wasteful number, since it uses less digits than its factorization.

200655321 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5496.

The product of its (nonzero) digits is 1800, while the sum is 24.

The square root of 200655321 is about 14165.2857719144. The cubic root of 200655321 is about 585.4415747043.

The spelling of 200655321 in words is "two hundred million, six hundred fifty-five thousand, three hundred twenty-one".