206431532 has 12 divisors (see below), whose sum is σ = 376962096. Its totient is φ = 98728080.

The previous prime is 206431531. The next prime is 206431543. The reversal of 206431532 is 235134602.

206431532 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a super-2 number, since 2×206431532² = 85227954807734048, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (206431531) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1121819 + ... + 1122002.

It is an arithmetic number, because the mean of its divisors is an integer number (31413508).

Almost surely, 2^206431532 is an apocalyptic number.

It is an amenable number.

206431532 is a deficient number, since it is larger than the sum of its proper divisors (170530564).

206431532 is a wasteful number, since it uses less digits than its factorization.

206431532 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2243848 (or 2243846 counting only the distinct ones).

The product of its (nonzero) digits is 4320, while the sum is 26.

The square root of 206431532 is about 14367.7253592905. The cubic root of 206431532 is about 591.0061659357.

The spelling of 206431532 in words is "two hundred six million, four hundred thirty-one thousand, five hundred thirty-two".