2120024300240 has 80 divisors (see below), whose sum is σ = 6145317210240. Its totient is φ = 660786792960.

The previous prime is 2120024300161. The next prime is 2120024300249. The reversal of 2120024300240 is 420034200212.

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

It is a Harshad number since it is a multiple of its sum of digits (20).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2120024300249) by changing a digit.

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, 172073735 + ... + 172086054.

It is an arithmetic number, because the mean of its divisors is an integer number (76816465128).

Almost surely, 2^{2120024300240} is an apocalyptic number.

2120024300240 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2120024300240 is an abundant number, since it is smaller than the sum of its proper divisors (4025292910000).

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

2120024300240 is a wasteful number, since it uses less digits than its factorization.

2120024300240 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 344159820 (or 344159814 counting only the distinct ones).

The product of its (nonzero) digits is 768, while the sum is 20.

Adding to 2120024300240 its reverse (420034200212), we get a palindrome (2540058500452).

The spelling of 2120024300240 in words is "two trillion, one hundred twenty billion, twenty-four million, three hundred thousand, two hundred forty".