18963120120 has 256 divisors, whose sum is σ = 66961520640. Its totient is φ = 4205426688.

The previous prime is 18963120119. The next prime is 18963120149. The reversal of 18963120120 is 2102136981.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 15632634 + ... + 15633846.

It is an arithmetic number, because the mean of its divisors is an integer number (261568440).

Almost surely, 2^18963120120 is an apocalyptic number.

18963120120 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 18963120120, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (33480760320).

18963120120 is an abundant number, since it is smaller than the sum of its proper divisors (47998400520).

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

18963120120 is a wasteful number, since it uses less digits than its factorization.

18963120120 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1774 (or 1770 counting only the distinct ones).

The product of its (nonzero) digits is 5184, while the sum is 33.

The spelling of 18963120120 in words is "eighteen billion, nine hundred sixty-three million, one hundred twenty thousand, one hundred twenty".