20020112012120 has 64 divisors (see below), whose sum is σ = 49160659242240. Its totient is φ = 7277020835200.

The previous prime is 20020112012099. The next prime is 20020112012137. The reversal of 20020112012120 is 2121021102002.

It is a junction number, because it is equal to n+sod(n) for n = 20020112012095 and 20020112012104.

It is a congruent number.

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, 8375132 + ... + 10496811.

It is an arithmetic number, because the mean of its divisors is an integer number (768135300660).

Almost surely, 2^{20020112012120} is an apocalyptic number.

20020112012120 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

20020112012120 is an abundant number, since it is smaller than the sum of its proper divisors (29140547230120).

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

20020112012120 is a wasteful number, since it uses less digits than its factorization.

20020112012120 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 18874376 (or 18874372 counting only the distinct ones).

The product of its (nonzero) digits is 32, while the sum is 14.

Adding to 20020112012120 its reverse (2121021102002), we get a palindrome (22141133114122).

The spelling of 20020112012120 in words is "twenty trillion, twenty billion, one hundred twelve million, twelve thousand, one hundred twenty".