20020011110020 has 24 divisors (see below), whose sum is σ = 42044564790144. Its totient is φ = 8007520356576.

The previous prime is 20020011109957. The next prime is 20020011110027. The reversal of 20020011110020 is 2001111002002.

It is a Harshad number since it is a multiple of its sum of digits (10).

It is a junction number, because it is equal to n+sod(n) for n = 20020011109979 and 20020011110006.

It is not an unprimeable number, because it can be changed into a prime (20020011110027) by changing a digit.

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 7 ways as a sum of consecutive naturals, for example, 29916252 + ... + 30578131.

It is an arithmetic number, because the mean of its divisors is an integer number (1751856866256).

Almost surely, 2^{20020011110020} is an apocalyptic number.

20020011110020 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

20020011110020 is an abundant number, since it is smaller than the sum of its proper divisors (22024553680124).

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

20020011110020 is a wasteful number, since it uses less digits than its factorization.

20020011110020 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 60510939 (or 60510937 counting only the distinct ones).

The product of its (nonzero) digits is 8, while the sum is 10.

Adding to 20020011110020 its reverse (2001111002002), we get a palindrome (22021122112022).

The spelling of 20020011110020 in words is "twenty trillion, twenty billion, eleven million, one hundred ten thousand, twenty".