206055401 has 8 divisors (see below), whose sum is σ = 207144000. Its totient is φ = 204970480.

The previous prime is 206055397. The next prime is 206055431. The reversal of 206055401 is 104550602.

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 206055401 - 2² = 206055397 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (206055431) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 250571 + ... + 251391.

It is an arithmetic number, because the mean of its divisors is an integer number (25893000).

Almost surely, 2^206055401 is an apocalyptic number.

It is an amenable number.

206055401 is a deficient number, since it is larger than the sum of its proper divisors (1088599).

206055401 is an equidigital number, since it uses as much as digits as its factorization.

206055401 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1839.

The product of its (nonzero) digits is 1200, while the sum is 23.

The square root of 206055401 is about 14354.6299499499. The cubic root of 206055401 is about 590.6469977940.

The spelling of 206055401 in words is "two hundred six million, fifty-five thousand, four hundred one".