206042244 has 72 divisors (see below), whose sum is σ = 526496544. Its totient is φ = 62496000.

The previous prime is 206042237. The next prime is 206042299. The reversal of 206042244 is 442240602.

It is a hoax number, since the sum of its digits (24) coincides with the sum of the digits of its distinct prime factors.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 195519 + ... + 196569.

It is an arithmetic number, because the mean of its divisors is an integer number (7312452).

Almost surely, 2^206042244 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 206042244, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (263248272).

206042244 is an abundant number, since it is smaller than the sum of its proper divisors (320454300).

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

206042244 is a wasteful number, since it uses less digits than its factorization.

206042244 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1137 (or 1104 counting only the distinct ones).

The product of its (nonzero) digits is 3072, while the sum is 24.

The square root of 206042244 is about 14354.1716584413. The cubic root of 206042244 is about 590.6344262430.

Adding to 206042244 its reverse (442240602), we get a palindrome (648282846).

The spelling of 206042244 in words is "two hundred six million, forty-two thousand, two hundred forty-four".