206551343000 has 128 divisors (see below), whose sum is σ = 512347006080. Its totient is φ = 77671526400.

The previous prime is 206551342999. The next prime is 206551343041. The reversal of 206551343000 is 343155602.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 15922517 + ... + 15935483.

It is an arithmetic number, because the mean of its divisors is an integer number (4002710985).

Almost surely, 2^206551343000 is an apocalyptic number.

206551343000 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 206551343000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (256173503040).

206551343000 is an abundant number, since it is smaller than the sum of its proper divisors (305795663080).

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

206551343000 is a wasteful number, since it uses less digits than its factorization.

206551343000 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13942 (or 13928 counting only the distinct ones).

The product of its (nonzero) digits is 10800, while the sum is 29.

Adding to 206551343000 its reverse (343155602), we get a palindrome (206894498602).

The spelling of 206551343000 in words is "two hundred six billion, five hundred fifty-one million, three hundred forty-three thousand".