206020222240 has 96 divisors (see below), whose sum is σ = 557540565120. Its totient is φ = 70472208384.

The previous prime is 206020222223. The next prime is 206020222253. The reversal of 206020222240 is 42222020602.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 272551 + ... + 697369.

It is an arithmetic number, because the mean of its divisors is an integer number (5807714220).

Almost surely, 2^206020222240 is an apocalyptic number.

206020222240 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 206020222240, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (278770282560).

206020222240 is an abundant number, since it is smaller than the sum of its proper divisors (351520342880).

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

206020222240 is a wasteful number, since it uses less digits than its factorization.

206020222240 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 425274 (or 425266 counting only the distinct ones).

The product of its (nonzero) digits is 1536, while the sum is 22.

Adding to 206020222240 its reverse (42222020602), we get a palindrome (248242242842).

The spelling of 206020222240 in words is "two hundred six billion, twenty million, two hundred twenty-two thousand, two hundred forty".