206403150 has 96 divisors (see below), whose sum is σ = 552821760. Its totient is φ = 50807680.

The previous prime is 206403133. The next prime is 206403157. The reversal of 206403150 is 51304602.

It is a happy number.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (206403157) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 99019 + ... + 101081.

It is an arithmetic number, because the mean of its divisors is an integer number (5758560).

Almost surely, 2^206403150 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 206403150, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (276410880).

206403150 is an abundant number, since it is smaller than the sum of its proper divisors (346418610).

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

206403150 is a wasteful number, since it uses less digits than its factorization.

206403150 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2130 (or 2125 counting only the distinct ones).

The product of its (nonzero) digits is 720, while the sum is 21.

The square root of 206403150 is about 14366.7376255015. The cubic root of 206403150 is about 590.9790791407.

Adding to 206403150 its reverse (51304602), we get a palindrome (257707752).

The spelling of 206403150 in words is "two hundred six million, four hundred three thousand, one hundred fifty".