20022551071100 has 36 divisors (see below), whose sum is σ = 43457195650008. Its totient is φ = 8007497880000.

The previous prime is 20022551071097. The next prime is 20022551071121. The reversal of 20022551071100 is 117015522002.

It is a self number, because there is not a number n which added to its sum of digits gives 20022551071100.

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 11 ways as a sum of consecutive naturals, for example, 18503126 + ... + 19555325.

Almost surely, 2^{20022551071100} is an apocalyptic number.

20022551071100 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

20022551071100 is an abundant number, since it is smaller than the sum of its proper divisors (23434644578908).

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

20022551071100 is a wasteful number, since it uses less digits than its factorization.

20022551071100 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 38063726 (or 38063719 counting only the distinct ones).

The product of its (nonzero) digits is 1400, while the sum is 26.

Adding to 20022551071100 its reverse (117015522002), we get a palindrome (20139566593102).

The spelling of 20022551071100 in words is "twenty trillion, twenty-two billion, five hundred fifty-one million, seventy-one thousand, one hundred".