20112122102020 has 48 divisors (see below), whose sum is σ = 45490961472768. Its totient is φ = 7424932878720.

The previous prime is 20112122102011. The next prime is 20112122102057. The reversal of 20112122102020 is 2020122121102.

It is a happy number.

It is a super-2 number, since 2×20112122102020² (a number of 27 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 20112122101985 and 20112122102003.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 3842584 + ... + 7415503.

It is an arithmetic number, because the mean of its divisors is an integer number (947728364016).

Almost surely, 2^{20112122102020} is an apocalyptic number.

20112122102020 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

20112122102020 is an abundant number, since it is smaller than the sum of its proper divisors (25378839370748).

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

20112122102020 is a wasteful number, since it uses less digits than its factorization.

20112122102020 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11264980 (or 11264978 counting only the distinct ones).

The product of its (nonzero) digits is 64, while the sum is 16.

Adding to 20112122102020 its reverse (2020122121102), we get a palindrome (22132244223122).

The spelling of 20112122102020 in words is "twenty trillion, one hundred twelve billion, one hundred twenty-two million, one hundred two thousand, twenty".