206150940 has 48 divisors (see below), whose sum is σ = 641360160. Its totient is φ = 54973440.

The previous prime is 206150929. The next prime is 206150951. The reversal of 206150940 is 49051602.

206150940 is a `hidden beast` number, since 2 + 0 + 615 + 0 + 9 + 40 = 666.

206150940 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is an interprime number because it is at equal distance from previous prime (206150929) and next prime (206150951).

It is a Harshad number since it is a multiple of its sum of digits (27).

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 15 ways as a sum of consecutive naturals, for example, 190341 + ... + 191420.

It is an arithmetic number, because the mean of its divisors is an integer number (13361670).

Almost surely, 2^206150940 is an apocalyptic number.

206150940 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

206150940 is an abundant number, since it is smaller than the sum of its proper divisors (435209220).

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

206150940 is a wasteful number, since it uses less digits than its factorization.

206150940 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 381779 (or 381771 counting only the distinct ones).

The product of its (nonzero) digits is 2160, while the sum is 27.

The square root of 206150940 is about 14357.9573756158. The cubic root of 206150940 is about 590.7382695331.

The spelling of 206150940 in words is "two hundred six million, one hundred fifty thousand, nine hundred forty".