206067672520 has 32 divisors (see below), whose sum is σ = 464193358200. Its totient is φ = 82330874368.

The previous prime is 206067672497. The next prime is 206067672527. The reversal of 206067672520 is 25276760602.

It can be written as a sum of positive squares in 4 ways, for example, as 205733002084 + 334670436 = 453578^2 + 18294^2 .

It is not an unprimeable number, because it can be changed into a prime (206067672527) 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, 2971375 + ... + 3039934.

Almost surely, 2^206067672520 is an apocalyptic number.

206067672520 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

206067672520 is an abundant number, since it is smaller than the sum of its proper divisors (258125685680).

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

206067672520 is a wasteful number, since it uses less digits than its factorization.

206067672520 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6012177 (or 6012173 counting only the distinct ones).

The product of its (nonzero) digits is 423360, while the sum is 43.

The spelling of 206067672520 in words is "two hundred six billion, sixty-seven million, six hundred seventy-two thousand, five hundred twenty".