206430132 has 12 divisors (see below), whose sum is σ = 481670336. Its totient is φ = 68810040.

The previous prime is 206430131. The next prime is 206430179. The reversal of 206430132 is 231034602.

It is a happy number.

It is a tau number, because it is divible by the number of its divisors (12).

It is a super-2 number, since 2×206430132² = 85226798795074848, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 206430099 and 206430108.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (206430131) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 8601244 + ... + 8601267.

Almost surely, 2^206430132 is an apocalyptic number.

It is an amenable number.

206430132 is an abundant number, since it is smaller than the sum of its proper divisors (275240204).

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

206430132 is a wasteful number, since it uses less digits than its factorization.

206430132 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 17202518 (or 17202516 counting only the distinct ones).

The product of its (nonzero) digits is 864, while the sum is 21.

The square root of 206430132 is about 14367.6766389003. The cubic root of 206430132 is about 591.0048298826.

Adding to 206430132 its reverse (231034602), we get a palindrome (437464734).

The spelling of 206430132 in words is "two hundred six million, four hundred thirty thousand, one hundred thirty-two".