206540152 has 96 divisors (see below), whose sum is σ = 490603680. Its totient is φ = 79372800.

The previous prime is 206540149. The next prime is 206540153. The reversal of 206540152 is 251045602.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (206540153) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 2044902 + ... + 2045002.

It is an arithmetic number, because the mean of its divisors is an integer number (5110455).

Almost surely, 2^206540152 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 206540152, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (245301840).

206540152 is an abundant number, since it is smaller than the sum of its proper divisors (284063528).

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

206540152 is a wasteful number, since it uses less digits than its factorization.

206540152 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 233 (or 176 counting only the distinct ones).

The product of its (nonzero) digits is 2400, while the sum is 25.

The square root of 206540152 is about 14371.5048620525. The cubic root of 206540152 is about 591.1098061646.

Adding to 206540152 its reverse (251045602), we get a palindrome (457585754).

The spelling of 206540152 in words is "two hundred six million, five hundred forty thousand, one hundred fifty-two".