20020112010020 has 24 divisors (see below), whose sum is σ = 42088588329984. Its totient is φ = 7999215640416.

The previous prime is 20020112010013. The next prime is 20020112010037. The reversal of 20020112010020 is 2001021102002.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 20020112009983 and 20020112010010.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 551804132 + ... + 551840411.

It is an arithmetic number, because the mean of its divisors is an integer number (1753691180416).

Almost surely, 2^{20020112010020} is an apocalyptic number.

20020112010020 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

20020112010020 is an abundant number, since it is smaller than the sum of its proper divisors (22068476319964).

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

20020112010020 is a wasteful number, since it uses less digits than its factorization.

20020112010020 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1103645459 (or 1103645457 counting only the distinct ones).

The product of its (nonzero) digits is 16, while the sum is 11.

Adding to 20020112010020 its reverse (2001021102002), we get a palindrome (22021133112022).

The spelling of 20020112010020 in words is "twenty trillion, twenty billion, one hundred twelve million, ten thousand, twenty".