120111032020 has 48 divisors (see below), whose sum is σ = 297565406208. Its totient is φ = 39852506880.

The previous prime is 120111031951. The next prime is 120111032053. The reversal of 120111032020 is 20230111021.

It is a congruent number.

It is an unprimeable number.

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 15 ways as a sum of consecutive naturals, for example, 13833337 + ... + 13842016.

It is an arithmetic number, because the mean of its divisors is an integer number (6199279296).

Almost surely, 2^120111032020 is an apocalyptic number.

120111032020 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

120111032020 is an abundant number, since it is smaller than the sum of its proper divisors (177454374188).

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

120111032020 is a wasteful number, since it uses less digits than its factorization.

120111032020 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 27675400 (or 27675398 counting only the distinct ones).

The product of its (nonzero) digits is 24, while the sum is 13.

Adding to 120111032020 its reverse (20230111021), we get a palindrome (140341143041).

The spelling of 120111032020 in words is "one hundred twenty billion, one hundred eleven million, thirty-two thousand, twenty".