201043648680 has 256 divisors, whose sum is σ = 707090964480. Its totient is φ = 44774989824.

The previous prime is 201043648679. The next prime is 201043648733. The reversal of 201043648680 is 86846340102.

It is a Harshad number since it is a multiple of its sum of digits (42).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 8950744 + ... + 8973176.

It is an arithmetic number, because the mean of its divisors is an integer number (2762074080).

Almost surely, 2^201043648680 is an apocalyptic number.

201043648680 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 201043648680, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (353545482240).

201043648680 is an abundant number, since it is smaller than the sum of its proper divisors (506047315800).

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

201043648680 is a wasteful number, since it uses less digits than its factorization.

201043648680 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 22728 (or 22724 counting only the distinct ones).

The product of its (nonzero) digits is 221184, while the sum is 42.

Adding to 201043648680 its reverse (86846340102), we get a palindrome (287889988782).

The spelling of 201043648680 in words is "two hundred one billion, forty-three million, six hundred forty-eight thousand, six hundred eighty".