206267080 has 32 divisors (see below), whose sum is σ = 466048440. Its totient is φ = 82160640.

The previous prime is 206267029. The next prime is 206267093. The reversal of 206267080 is 80762602.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 206267044 + 36 = 14362^2 + 6^2 .

It is a super-2 number, since 2×206267080² = 85092216583452800, which contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1059 + ... + 20338.

Almost surely, 2^206267080 is an apocalyptic number.

206267080 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

206267080 is an abundant number, since it is smaller than the sum of its proper divisors (259781360).

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

206267080 is a wasteful number, since it uses less digits than its factorization.

206267080 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 21649 (or 21645 counting only the distinct ones).

The product of its (nonzero) digits is 8064, while the sum is 31.

The square root of 206267080 is about 14362.0012533073. The cubic root of 206267080 is about 590.8491841581.

The spelling of 206267080 in words is "two hundred six million, two hundred sixty-seven thousand, eighty".