206922732 has 12 divisors (see below), whose sum is σ = 482819736. Its totient is φ = 68974240.

The previous prime is 206922721. The next prime is 206922739. The reversal of 206922732 is 237229602.

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

It is a junction number, because it is equal to n+sod(n) for n = 206922693 and 206922702.

It is not an unprimeable number, because it can be changed into a prime (206922739) 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, 8621769 + ... + 8621792.

It is an arithmetic number, because the mean of its divisors is an integer number (40234978).

Almost surely, 2^206922732 is an apocalyptic number.

It is an amenable number.

206922732 is an abundant number, since it is smaller than the sum of its proper divisors (275897004).

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

206922732 is a wasteful number, since it uses less digits than its factorization.

206922732 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 17243568 (or 17243566 counting only the distinct ones).

The product of its (nonzero) digits is 18144, while the sum is 33.

The square root of 206922732 is about 14384.8090706829. The cubic root of 206922732 is about 591.4745573576.

The spelling of 206922732 in words is "two hundred six million, nine hundred twenty-two thousand, seven hundred thirty-two".