200211200515660 has 96 divisors (see below), whose sum is σ = 435496766664960. Its totient is φ = 77224265545728.

The previous prime is 200211200515633. The next prime is 200211200515721. The reversal of 200211200515660 is 66515002112002.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 6420508429 + ... + 6420539611.

It is an arithmetic number, because the mean of its divisors is an integer number (4536424652760).

Almost surely, 2^{200211200515660} is an apocalyptic number.

200211200515660 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 200211200515660, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (217748383332480).

200211200515660 is an abundant number, since it is smaller than the sum of its proper divisors (235285566149300).

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

200211200515660 is a wasteful number, since it uses less digits than its factorization.

200211200515660 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 44995 (or 44993 counting only the distinct ones).

The product of its (nonzero) digits is 7200, while the sum is 31.

Adding to 200211200515660 its reverse (66515002112002), we get a palindrome (266726202627662).

The spelling of 200211200515660 in words is "two hundred trillion, two hundred eleven billion, two hundred million, five hundred fifteen thousand, six hundred sixty".