20112003230020 has 48 divisors (see below), whose sum is σ = 45485341735680. Its totient is φ = 7425762604416.

The previous prime is 20112003229999. The next prime is 20112003230041. The reversal of 20112003230020 is 2003230021102.

It is an interprime number because it is at equal distance from previous prime (20112003229999) and next prime (20112003230041).

It is a junction number, because it is equal to n+sod(n) for n = 20112003229976 and 20112003230003.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 8384961 + ... + 10513399.

It is an arithmetic number, because the mean of its divisors is an integer number (947611286160).

Almost surely, 2^{20112003230020} is an apocalyptic number.

20112003230020 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

20112003230020 is an abundant number, since it is smaller than the sum of its proper divisors (25373338505660).

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

20112003230020 is a wasteful number, since it uses less digits than its factorization.

20112003230020 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2164804 (or 2164802 counting only the distinct ones).

The product of its (nonzero) digits is 144, while the sum is 16.

Adding to 20112003230020 its reverse (2003230021102), we get a palindrome (22115233251122).

The spelling of 20112003230020 in words is "twenty trillion, one hundred twelve billion, three million, two hundred thirty thousand, twenty".