206520083 has 8 divisors (see below), whose sum is σ = 257479680. Its totient is φ = 160924680.

The previous prime is 206520079. The next prime is 206520089. The reversal of 206520083 is 380025602.

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

It is not a de Polignac number, because 206520083 - 2² = 206520079 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (206520089) 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, 1340963 + ... + 1341116.

It is an arithmetic number, because the mean of its divisors is an integer number (32184960).

Almost surely, 2^206520083 is an apocalyptic number.

206520083 is a deficient number, since it is larger than the sum of its proper divisors (50959597).

206520083 is a wasteful number, since it uses less digits than its factorization.

206520083 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2682097.

The product of its (nonzero) digits is 2880, while the sum is 26.

The square root of 206520083 is about 14370.8066231510. The cubic root of 206520083 is about 591.0906599811.

Adding to 206520083 its reverse (380025602), we get a palindrome (586545685).

The spelling of 206520083 in words is "two hundred six million, five hundred twenty thousand, eighty-three".