20001112010000 has 100 divisors (see below), whose sum is σ = 52826937331344. Its totient is φ = 7273131600000.

The previous prime is 20001112009999. The next prime is 20001112010053. The reversal of 20001112010000 is 1021110002.

It is a tau number, because it is divible by the number of its divisors (100).

It is a Harshad number since it is a multiple of its sum of digits (8).

It is a self number, because there is not a number n which added to its sum of digits gives 20001112010000.

It is an unprimeable number.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 90804146 + ... + 91024145.

Almost surely, 2^{20001112010000} is an apocalyptic number.

20001112010000 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

20001112010000 is an abundant number, since it is smaller than the sum of its proper divisors (32825825321344).

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

20001112010000 is a wasteful number, since it uses less digits than its factorization.

20001112010000 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 181828330 (or 181828309 counting only the distinct ones).

The product of its (nonzero) digits is 4, while the sum is 8.

Adding to 20001112010000 its reverse (1021110002), we get a palindrome (20002133120002).

The spelling of 20001112010000 in words is "twenty trillion, one billion, one hundred twelve million, ten thousand".