206201543554032 has 160 divisors (see below), whose sum is σ = 580140758615040. Its totient is φ = 62730302638080.

The previous prime is 206201543554001. The next prime is 206201543554043. The reversal of 206201543554032 is 230455345102602.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 1123457053 + ... + 1123640579.

It is an arithmetic number, because the mean of its divisors is an integer number (3625879741344).

Almost surely, 2^{206201543554032} is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 206201543554032, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (290070379307520).

206201543554032 is an abundant number, since it is smaller than the sum of its proper divisors (373939215061008).

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

206201543554032 is a wasteful number, since it uses less digits than its factorization.

206201543554032 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 203871 (or 203865 counting only the distinct ones).

The product of its (nonzero) digits is 864000, while the sum is 42.

Adding to 206201543554032 its reverse (230455345102602), we get a palindrome (436656888656634).

The spelling of 206201543554032 in words is "two hundred six trillion, two hundred one billion, five hundred forty-three million, five hundred fifty-four thousand, thirty-two".