20001010110000 has 400 divisors, whose sum is σ = 66172953576576. Its totient is φ = 5201247744000.

The previous prime is 20001010109981. The next prime is 20001010110001. The reversal of 20001010110000 is 1101010002.

It is a tau number, because it is divible by the number of its divisors (400).

It is a Harshad number since it is a multiple of its sum of digits (6).

It is a super Niven number, because it is divisible the sum of any subset of its (nonzero) digits.

It is not an unprimeable number, because it can be changed into a prime (20001010110001) by changing a digit.

It is a polite number, since it can be written in 79 ways as a sum of consecutive naturals, for example, 829457944 + ... + 829482056.

Almost surely, 2^{20001010110000} is an apocalyptic number.

20001010110000 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 20001010110000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (33086476788288).

20001010110000 is an abundant number, since it is smaller than the sum of its proper divisors (46171943466576).

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

20001010110000 is a wasteful number, since it uses less digits than its factorization.

20001010110000 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 24830 (or 24809 counting only the distinct ones).

The product of its (nonzero) digits is 2, while the sum is 6.

Adding to 20001010110000 its reverse (1101010002), we get a palindrome (20002111120002).

The spelling of 20001010110000 in words is "twenty trillion, one billion, ten million, one hundred ten thousand".