206201106 has 64 divisors (see below), whose sum is σ = 474076800. Its totient is φ = 66398400.

The previous prime is 206201101. The next prime is 206201113. The reversal of 206201106 is 601102602.

It is a happy number.

It is a super-2 number, since 2×206201106² = 85037792231246472, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is not an unprimeable number, because it can be changed into a prime (206201101) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 193816 + ... + 194876.

It is an arithmetic number, because the mean of its divisors is an integer number (7407450).

Almost surely, 2^206201106 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 206201106, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (237038400).

206201106 is an abundant number, since it is smaller than the sum of its proper divisors (267875694).

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

206201106 is a wasteful number, since it uses less digits than its factorization.

206201106 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1192 (or 1186 counting only the distinct ones).

The product of its (nonzero) digits is 144, while the sum is 18.

The square root of 206201106 is about 14359.7042448652. The cubic root of 206201106 is about 590.7861835721.

Adding to 206201106 its reverse (601102602), we get a palindrome (807303708).

The spelling of 206201106 in words is "two hundred six million, two hundred one thousand, one hundred six".