200455681 has 8 divisors (see below), whose sum is σ = 211282400. Its totient is φ = 189656640.

The previous prime is 200455667. The next prime is 200455693. The reversal of 200455681 is 186554002.

200455681 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 200455681 - 2⁷ = 200455553 is a prime.

It is a super-2 number, since 2×200455681² = 80364960090347522, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (200455781) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 8905 + ... + 21913.

It is an arithmetic number, because the mean of its divisors is an integer number (26410300).

Almost surely, 2^200455681 is an apocalyptic number.

It is an amenable number.

200455681 is a deficient number, since it is larger than the sum of its proper divisors (10826719).

200455681 is a wasteful number, since it uses less digits than its factorization.

200455681 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13839.

The product of its (nonzero) digits is 9600, while the sum is 31.

The square root of 200455681 is about 14158.2372137212. The cubic root of 200455681 is about 585.2473505344.

The spelling of 200455681 in words is "two hundred million, four hundred fifty-five thousand, six hundred eighty-one".