2120099520 has 896 divisors, whose sum is σ = 9269821440. Its totient is φ = 397393920.

The previous prime is 2120099503. The next prime is 2120099521. The reversal of 2120099520 is 259900212.

2120099520 is digitally balanced in base 4, because in such base it contains all the possibile digits an equal number of times.

It is a Harshad number since it is a multiple of its sum of digits (30).

It is not an unprimeable number, because it can be changed into a prime (2120099521) by changing a digit.

It is a polite number, since it can be written in 127 ways as a sum of consecutive naturals, for example, 49304619 + ... + 49304661.

Almost surely, 2^2120099520 is an apocalyptic number.

2120099520 is a gapful number since it is divisible by the number (20) 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 2120099520, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (4634910720).

2120099520 is an abundant number, since it is smaller than the sum of its proper divisors (7149721920).

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

2120099520 is a wasteful number, since it uses less digits than its factorization.

2120099520 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 133 (or 123 counting only the distinct ones).

The product of its (nonzero) digits is 3240, while the sum is 30.

The square root of 2120099520 is about 46044.5384383425. The cubic root of 2120099520 is about 1284.6517590556.

Adding to 2120099520 its reverse (259900212), we get a palindrome (2379999732).

The spelling of 2120099520 in words is "two billion, one hundred twenty million, ninety-nine thousand, five hundred twenty".