20020111120120 has 32 divisors (see below), whose sum is σ = 45347567148000. Its totient is φ = 7954299180928.

The previous prime is 20020111120111. The next prime is 20020111120129. The reversal of 20020111120120 is 2102111102002.

It is an interprime number because it is at equal distance from previous prime (20020111120111) and next prime (20020111120129).

It is a self number, because there is not a number n which added to its sum of digits gives 20020111120120.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20020111120129) by changing a digit.

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 7 ways as a sum of consecutive naturals, for example, 1679533564 + ... + 1679545483.

It is an arithmetic number, because the mean of its divisors is an integer number (1417111473375).

Almost surely, 2^{20020111120120} is an apocalyptic number.

20020111120120 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

20020111120120 is an abundant number, since it is smaller than the sum of its proper divisors (25327456027880).

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

20020111120120 is a wasteful number, since it uses less digits than its factorization.

20020111120120 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3359079207 (or 3359079203 counting only the distinct ones).

The product of its (nonzero) digits is 16, while the sum is 13.

Adding to 20020111120120 its reverse (2102111102002), we get a palindrome (22122222222122).

The spelling of 20020111120120 in words is "twenty trillion, twenty billion, one hundred eleven million, one hundred twenty thousand, one hundred twenty".