206303036540 has 24 divisors (see below), whose sum is σ = 436543530192. Its totient is φ = 81891280640.

The previous prime is 206303036531. The next prime is 206303036549. The reversal of 206303036540 is 45630303602.

It is an interprime number because it is at equal distance from previous prime (206303036531) and next prime (206303036549).

It is a junction number, because it is equal to n+sod(n) for n = 206303036497 and 206303036506.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (206303036549) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 39368189 + ... + 39373428.

It is an arithmetic number, because the mean of its divisors is an integer number (18189313758).

Almost surely, 2^206303036540 is an apocalyptic number.

206303036540 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

206303036540 is an abundant number, since it is smaller than the sum of its proper divisors (230240493652).

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

206303036540 is a wasteful number, since it uses less digits than its factorization.

206303036540 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 78741757 (or 78741755 counting only the distinct ones).

The product of its (nonzero) digits is 38880, while the sum is 32.

The spelling of 206303036540 in words is "two hundred six billion, three hundred three million, thirty-six thousand, five hundred forty".