206330542040 has 64 divisors (see below), whose sum is σ = 530654068800. Its totient is φ = 70729924608.

The previous prime is 206330542039. The next prime is 206330542097. The reversal of 206330542040 is 40245033602.

It is a junction number, because it is equal to n+sod(n) for n = 206330541994 and 206330542012.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1681496 + ... + 1800024.

It is an arithmetic number, because the mean of its divisors is an integer number (8291469825).

Almost surely, 2^206330542040 is an apocalyptic number.

206330542040 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

206330542040 is an abundant number, since it is smaller than the sum of its proper divisors (324323526760).

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

206330542040 is a wasteful number, since it uses less digits than its factorization.

206330542040 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 124764 (or 124760 counting only the distinct ones).

The product of its (nonzero) digits is 17280, while the sum is 29.

Adding to 206330542040 its reverse (40245033602), we get a palindrome (246575575642).

The spelling of 206330542040 in words is "two hundred six billion, three hundred thirty million, five hundred forty-two thousand, forty".