206201550 has 24 divisors (see below), whose sum is σ = 511380216. Its totient is φ = 54987040.

The previous prime is 206201543. The next prime is 206201561. The reversal of 206201550 is 55102602.

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 11 ways as a sum of consecutive naturals, for example, 687189 + ... + 687488.

It is an arithmetic number, because the mean of its divisors is an integer number (21307509).

Almost surely, 2^206201550 is an apocalyptic number.

206201550 is an abundant number, since it is smaller than the sum of its proper divisors (305178666).

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

206201550 is a wasteful number, since it uses less digits than its factorization.

206201550 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1374692 (or 1374687 counting only the distinct ones).

The product of its (nonzero) digits is 600, while the sum is 21.

The square root of 206201550 is about 14359.7197047853. The cubic root of 206201550 is about 590.7866076061.

The spelling of 206201550 in words is "two hundred six million, two hundred one thousand, five hundred fifty".