206400832700 has 18 divisors (see below), whose sum is σ = 447889807176. Its totient is φ = 82560333040.

The previous prime is 206400832669. The next prime is 206400832709. The reversal of 206400832700 is 7238004602.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (206400832709) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 1032004064 + ... + 1032004263.

Almost surely, 2^206400832700 is an apocalyptic number.

206400832700 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

206400832700 is an abundant number, since it is smaller than the sum of its proper divisors (241488974476).

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

206400832700 is a wasteful number, since it uses less digits than its factorization.

206400832700 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2064008341 (or 2064008334 counting only the distinct ones).

The product of its (nonzero) digits is 16128, while the sum is 32.

The spelling of 206400832700 in words is "two hundred six billion, four hundred million, eight hundred thirty-two thousand, seven hundred".