206020006 has 4 divisors (see below), whose sum is σ = 309030012. Its totient is φ = 103010002.

The previous prime is 206019967. The next prime is 206020013. The reversal of 206020006 is 600020602.

It is a semiprime because it is the product of two primes.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 51505000 + ... + 51505003.

It is an arithmetic number, because the mean of its divisors is an integer number (77257503).

Almost surely, 2^206020006 is an apocalyptic number.

206020006 is a deficient number, since it is larger than the sum of its proper divisors (103010006).

206020006 is a wasteful number, since it uses less digits than its factorization.

206020006 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 103010005.

The product of its (nonzero) digits is 144, while the sum is 16.

The square root of 206020006 is about 14353.3970195212. The cubic root of 206020006 is about 590.6131765538.

Adding to 206020006 its reverse (600020602), we get a palindrome (806040608).

The spelling of 206020006 in words is "two hundred six million, twenty thousand, six".