206147950 has 48 divisors (see below), whose sum is σ = 420040080. Its totient is φ = 74923520.

The previous prime is 206147917. The next prime is 206147971. The reversal of 206147950 is 59741602.

It is a Harshad number since it is a multiple of its sum of digits (34).

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, 20469 + ... + 28831.

It is an arithmetic number, because the mean of its divisors is an integer number (8750835).

Almost surely, 2^206147950 is an apocalyptic number.

206147950 is an abundant number, since it is smaller than the sum of its proper divisors (213892130).

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

206147950 is a wasteful number, since it uses less digits than its factorization.

206147950 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8421 (or 8416 counting only the distinct ones).

The product of its (nonzero) digits is 15120, while the sum is 34.

The square root of 206147950 is about 14357.8532517922. The cubic root of 206147950 is about 590.7354135093.

The spelling of 206147950 in words is "two hundred six million, one hundred forty-seven thousand, nine hundred fifty".