20000101000000 has 392 divisors, whose sum is σ = 54481826373696. Its totient is φ = 7224000000000.

The previous prime is 20000100999863. The next prime is 20000101000007. The reversal of 20000101000000 is 10100002.

It is a Harshad number since it is a multiple of its sum of digits (4).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20000101000007) by changing a digit.

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 55 ways as a sum of consecutive naturals, for example, 1660993980 + ... + 1661006020.

Almost surely, 2^{20000101000000} is an apocalyptic number.

20000101000000 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 20000101000000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (27240913186848).

20000101000000 is an abundant number, since it is smaller than the sum of its proper divisors (34481725373696).

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

20000101000000 is an equidigital number, since it uses as much as digits as its factorization.

20000101000000 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12245 (or 12210 counting only the distinct ones).

The product of its (nonzero) digits is 2, while the sum is 4.

Adding to 20000101000000 its reverse (10100002), we get a palindrome (20000111100002).

The spelling of 20000101000000 in words is "twenty trillion, one hundred one million", and thus it is an aban number.