6650050000020 has 192 divisors, whose sum is σ = 22402010695680. Its totient is φ = 1439892398592.

The previous prime is 6650050000019. The next prime is 6650050000063. The reversal of 6650050000020 is 200000500566.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 126081574 + ... + 126134306.

It is an arithmetic number, because the mean of its divisors is an integer number (116677139040).

Almost surely, 2^{6650050000020} is an apocalyptic number.

6650050000020 is a gapful number since it is divisible by the number (60) 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 6650050000020, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (11201005347840).

6650050000020 is an abundant number, since it is smaller than the sum of its proper divisors (15751960695660).

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

6650050000020 is a wasteful number, since it uses less digits than its factorization.

6650050000020 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 68574 (or 68572 counting only the distinct ones).

The product of its (nonzero) digits is 1800, while the sum is 24.

Adding to 6650050000020 its reverse (200000500566), we get a palindrome (6850050500586).

The spelling of 6650050000020 in words is "six trillion, six hundred fifty billion, fifty million, twenty", and thus it is an aban number.