206228185104 has 120 divisors (see below), whose sum is σ = 569333435328. Its totient is φ = 64310896640.

The previous prime is 206228185103. The next prime is 206228185109. The reversal of 206228185104 is 401581822602.

It is a happy number.

206228185104 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is not an unprimeable number, because it can be changed into a prime (206228185103) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 2272114 + ... + 2361134.

Almost surely, 2^206228185104 is an apocalyptic number.

206228185104 is a gapful number since it is divisible by the number (24) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 206228185104, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (284666717664).

206228185104 is an abundant number, since it is smaller than the sum of its proper divisors (363105250224).

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

206228185104 is a wasteful number, since it uses less digits than its factorization.

206228185104 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 89233 (or 89210 counting only the distinct ones).

The product of its (nonzero) digits is 61440, while the sum is 39.

The spelling of 206228185104 in words is "two hundred six billion, two hundred twenty-eight million, one hundred eighty-five thousand, one hundred four".