206620706 has 8 divisors (see below), whose sum is σ = 326243280. Its totient is φ = 97872948.

The previous prime is 206620693. The next prime is 206620717. The reversal of 206620706 is 607026602.

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

It is a super-2 number, since 2×206620706² = 85384232295876872, which contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2718656 + ... + 2718731.

It is an arithmetic number, because the mean of its divisors is an integer number (40780410).

Almost surely, 2^206620706 is an apocalyptic number.

206620706 is a deficient number, since it is larger than the sum of its proper divisors (119622574).

206620706 is a wasteful number, since it uses less digits than its factorization.

206620706 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5437408.

The product of its (nonzero) digits is 6048, while the sum is 29.

The square root of 206620706 is about 14374.3071485202. The cubic root of 206620706 is about 591.1866436380.

The spelling of 206620706 in words is "two hundred six million, six hundred twenty thousand, seven hundred six".