120885244448520 has 256 divisors, whose sum is σ = 376609714099200. Its totient is φ = 31021545251840.

The previous prime is 120885244448443. The next prime is 120885244448557. The reversal of 120885244448520 is 25844442588021.

It is a happy number.

It is a super-2 number, since 2×120885244448520² (a number of 29 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 165867715 + ... + 166594925.

It is an arithmetic number, because the mean of its divisors is an integer number (1471131695700).

Almost surely, 2^{120885244448520} is an apocalyptic number.

120885244448520 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 120885244448520, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (188304857049600).

120885244448520 is an abundant number, since it is smaller than the sum of its proper divisors (255724469650680).

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

120885244448520 is a wasteful number, since it uses less digits than its factorization.

120885244448520 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 727780 (or 727776 counting only the distinct ones).

The product of its (nonzero) digits is 26214400, while the sum is 57.

The spelling of 120885244448520 in words is "one hundred twenty trillion, eight hundred eighty-five billion, two hundred forty-four million, four hundred forty-eight thousand, five hundred twenty".