20011022000000 has 112 divisors (see below), whose sum is σ = 49831501992360. Its totient is φ = 8004408000000.

The previous prime is 20011021999973. The next prime is 20011022000141. The reversal of 20011022000000 is 22011002.

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

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 13 ways as a sum of consecutive naturals, for example, 3002756 + ... + 7002755.

Almost surely, 2^{20011022000000} is an apocalyptic number.

20011022000000 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

20011022000000 is an abundant number, since it is smaller than the sum of its proper divisors (29820479992360).

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

20011022000000 is an frugal number, since it uses more digits than its factorization.

20011022000000 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10005555 (or 10005518 counting only the distinct ones).

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

Adding to 20011022000000 its reverse (22011002), we get a palindrome (20011044011002).

The spelling of 20011022000000 in words is "twenty trillion, eleven billion, twenty-two million", and thus it is an aban number and an uban number.