206315232 has 24 divisors (see below), whose sum is σ = 541577736. Its totient is φ = 68771712.

The previous prime is 206315173. The next prime is 206315257. The reversal of 206315232 is 232513602.

It is a tau number, because it is divible by the number of its divisors (24).

It is a Harshad number since it is a multiple of its sum of digits (24).

It is a congruent number.

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, 1074463 + ... + 1074654.

It is an arithmetic number, because the mean of its divisors is an integer number (22565739).

Almost surely, 2^206315232 is an apocalyptic number.

It is an amenable number.

206315232 is an abundant number, since it is smaller than the sum of its proper divisors (335262504).

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

206315232 is a wasteful number, since it uses less digits than its factorization.

206315232 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2149130 (or 2149122 counting only the distinct ones).

The product of its (nonzero) digits is 2160, while the sum is 24.

The square root of 206315232 is about 14363.6775235314. The cubic root of 206315232 is about 590.8951574925.

Adding to 206315232 its reverse (232513602), we get a palindrome (438828834).

The spelling of 206315232 in words is "two hundred six million, three hundred fifteen thousand, two hundred thirty-two".