206554584920 has 16 divisors (see below), whose sum is σ = 464747816160. Its totient is φ = 82621833952.

The previous prime is 206554584911. The next prime is 206554584949. The reversal of 206554584920 is 29485455602.

206554584920 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2581932272 + ... + 2581932351.

It is an arithmetic number, because the mean of its divisors is an integer number (29046738510).

Almost surely, 2^206554584920 is an apocalyptic number.

206554584920 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

206554584920 is an abundant number, since it is smaller than the sum of its proper divisors (258193231240).

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

206554584920 is a wasteful number, since it uses less digits than its factorization.

206554584920 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5163864634 (or 5163864630 counting only the distinct ones).

The product of its (nonzero) digits is 3456000, while the sum is 50.

The spelling of 206554584920 in words is "two hundred six billion, five hundred fifty-four million, five hundred eighty-four thousand, nine hundred twenty".