120155300340 has 24 divisors (see below), whose sum is σ = 336434841120. Its totient is φ = 32041413408.

The previous prime is 120155300333. The next prime is 120155300341. The reversal of 120155300340 is 43003551021.

It is a self number, because there is not a number n which added to its sum of digits gives 120155300340.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (120155300341) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1001294110 + ... + 1001294229.

It is an arithmetic number, because the mean of its divisors is an integer number (14018118380).

Almost surely, 2^120155300340 is an apocalyptic number.

120155300340 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

120155300340 is an abundant number, since it is smaller than the sum of its proper divisors (216279540780).

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

120155300340 is a wasteful number, since it uses less digits than its factorization.

120155300340 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2002588351 (or 2002588349 counting only the distinct ones).

The product of its (nonzero) digits is 1800, while the sum is 24.

Adding to 120155300340 its reverse (43003551021), we get a palindrome (163158851361).

The spelling of 120155300340 in words is "one hundred twenty billion, one hundred fifty-five million, three hundred thousand, three hundred forty".