205520214 has 8 divisors (see below), whose sum is σ = 411040440. Its totient is φ = 68506736.

The previous prime is 205520149. The next prime is 205520233. The reversal of 205520214 is 412025502.

It is a happy number.

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

205520214 is an admirable number.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 17126679 + ... + 17126690.

It is an arithmetic number, because the mean of its divisors is an integer number (51380055).

Almost surely, 2^205520214 is an apocalyptic number.

205520214 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

205520214 is a wasteful number, since it uses less digits than its factorization.

205520214 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 34253374.

The product of its (nonzero) digits is 800, while the sum is 21.

The square root of 205520214 is about 14335.9762137079. The cubic root of 205520214 is about 590.1351926143.

Adding to 205520214 its reverse (412025502), we get a palindrome (617545716).

The spelling of 205520214 in words is "two hundred five million, five hundred twenty thousand, two hundred fourteen".