200240420660 has 48 divisors (see below), whose sum is σ = 480612835584. Its totient is φ = 68648740608.

The previous prime is 200240420647. The next prime is 200240420693. The reversal of 200240420660 is 66024042002.

It is a congruent number.

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, 2157737 + ... + 2248623.

It is an arithmetic number, because the mean of its divisors is an integer number (10012767408).

Almost surely, 2^200240420660 is an apocalyptic number.

200240420660 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

200240420660 is an abundant number, since it is smaller than the sum of its proper divisors (280372414924).

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

200240420660 is a wasteful number, since it uses less digits than its factorization.

200240420660 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 106640 (or 106638 counting only the distinct ones).

The product of its (nonzero) digits is 4608, while the sum is 26.

Adding to 200240420660 its reverse (66024042002), we get a palindrome (266264462662).

The spelling of 200240420660 in words is "two hundred billion, two hundred forty million, four hundred twenty thousand, six hundred sixty".