206133364 has 24 divisors (see below), whose sum is σ = 392280840. Its totient is φ = 94381056.

The previous prime is 206133359. The next prime is 206133373. The reversal of 206133364 is 463331602.

It can be written as a sum of positive squares in 4 ways, for example, as 69056100 + 137077264 = 8310^2 + 11708^2 .

It is a congruent number.

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, 38449 + ... + 43480.

It is an arithmetic number, because the mean of its divisors is an integer number (16345035).

Almost surely, 2^206133364 is an apocalyptic number.

It is an amenable number.

206133364 is a deficient number, since it is larger than the sum of its proper divisors (186147476).

206133364 is a wasteful number, since it uses less digits than its factorization.

206133364 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 81987 (or 81985 counting only the distinct ones).

The product of its (nonzero) digits is 7776, while the sum is 28.

The square root of 206133364 is about 14357.3452977910. The cubic root of 206133364 is about 590.7214806843.

Adding to 206133364 its reverse (463331602), we get a palindrome (669464966).

The spelling of 206133364 in words is "two hundred six million, one hundred thirty-three thousand, three hundred sixty-four".