20001112011000 has 96 divisors (see below), whose sum is σ = 67603758627600. Its totient is φ = 5333629867200.

The previous prime is 20001112010983. The next prime is 20001112011047. The reversal of 20001112011000 is 11021110002.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (9).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 1111163890 + ... + 1111181889.

Almost surely, 2^{20001112011000} is an apocalyptic number.

20001112011000 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

20001112011000 is an abundant number, since it is smaller than the sum of its proper divisors (47602646616600).

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

20001112011000 is a wasteful number, since it uses less digits than its factorization.

20001112011000 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2222345806 (or 2222345789 counting only the distinct ones).

The product of its (nonzero) digits is 4, while the sum is 9.

Adding to 20001112011000 its reverse (11021110002), we get a palindrome (20012133121002).

The spelling of 20001112011000 in words is "twenty trillion, one billion, one hundred twelve million, eleven thousand".