206232536550 has 24 divisors (see below), whose sum is σ = 511456691016. Its totient is φ = 54995343040.

The previous prime is 206232536519. The next prime is 206232536557. The reversal of 206232536550 is 55635232602.

It is a junction number, because it is equal to n+sod(n) for n = 206232536499 and 206232536508.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (206232536557) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 687441639 + ... + 687441938.

It is an arithmetic number, because the mean of its divisors is an integer number (21310695459).

Almost surely, 2^206232536550 is an apocalyptic number.

206232536550 is an abundant number, since it is smaller than the sum of its proper divisors (305224154466).

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

206232536550 is a wasteful number, since it uses less digits than its factorization.

206232536550 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1374883592 (or 1374883587 counting only the distinct ones).

The product of its (nonzero) digits is 324000, while the sum is 39.

The spelling of 206232536550 in words is "two hundred six billion, two hundred thirty-two million, five hundred thirty-six thousand, five hundred fifty".