206115202000 has 160 divisors (see below), whose sum is σ = 507738216960. Its totient is φ = 80904153600.

The previous prime is 206115201979. The next prime is 206115202001. The reversal of 206115202000 is 202511602.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (206115202001) by changing a digit.

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, 86492809 + ... + 86495191.

It is an arithmetic number, because the mean of its divisors is an integer number (3173363856).

Almost surely, 2^206115202000 is an apocalyptic number.

206115202000 is a gapful number since it is divisible by the number (20) 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 206115202000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (253869108480).

206115202000 is an abundant number, since it is smaller than the sum of its proper divisors (301623014960).

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

206115202000 is a wasteful number, since it uses less digits than its factorization.

206115202000 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3198 (or 3182 counting only the distinct ones).

The product of its (nonzero) digits is 240, while the sum is 19.

Adding to 206115202000 its reverse (202511602), we get a palindrome (206317713602).

The spelling of 206115202000 in words is "two hundred six billion, one hundred fifteen million, two hundred two thousand".