120520433324240 has 80 divisors (see below), whose sum is σ = 285500457979776. Its totient is φ = 47298010406400.

The previous prime is 120520433324147. The next prime is 120520433324279. The reversal of 120520433324240 is 42423334025021.

It is a tau number, because it is divible by the number of its divisors (80).

It is a self number, because there is not a number n which added to its sum of digits gives 120520433324240.

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, 573443975 + ... + 573654105.

Almost surely, 2^{120520433324240} is an apocalyptic number.

120520433324240 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

120520433324240 is an abundant number, since it is smaller than the sum of its proper divisors (164980024655536).

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

120520433324240 is a wasteful number, since it uses less digits than its factorization.

120520433324240 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 345468 (or 345462 counting only the distinct ones).

The product of its (nonzero) digits is 138240, while the sum is 35.

Adding to 120520433324240 its reverse (42423334025021), we get a palindrome (162943767349261).

The spelling of 120520433324240 in words is "one hundred twenty trillion, five hundred twenty billion, four hundred thirty-three million, three hundred twenty-four thousand, two hundred forty".