206930522 has 8 divisors (see below), whose sum is σ = 310655316. Its totient is φ = 103378752.

The previous prime is 206930509. The next prime is 206930557. The reversal of 206930522 is 225039602.

It can be written as a sum of positive squares in 2 ways, for example, as 126810121 + 80120401 = 11261^2 + 8951^2 .

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

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, 40223 + ... + 45074.

Almost surely, 2^206930522 is an apocalyptic number.

206930522 is a deficient number, since it is larger than the sum of its proper divisors (103724794).

206930522 is a wasteful number, since it uses less digits than its factorization.

206930522 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 86512.

The product of its (nonzero) digits is 6480, while the sum is 29.

The square root of 206930522 is about 14385.0798398897. The cubic root of 206930522 is about 591.4819796595.

The spelling of 206930522 in words is "two hundred six million, nine hundred thirty thousand, five hundred twenty-two".