2120030320 has 20 divisors (see below), whose sum is σ = 4929070680. Its totient is φ = 848012096.

The previous prime is 2120030293. The next prime is 2120030321. The reversal of 2120030320 is 230300212.

It is a happy number.

It is a tau number, because it is divible by the number of its divisors (20).

It is a self number, because there is not a number n which added to its sum of digits gives 2120030320.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2120030321) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 13250110 + ... + 13250269.

It is an arithmetic number, because the mean of its divisors is an integer number (246453534).

Almost surely, 2^2120030320 is an apocalyptic number.

2120030320 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2120030320 is an abundant number, since it is smaller than the sum of its proper divisors (2809040360).

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

2120030320 is a wasteful number, since it uses less digits than its factorization.

2120030320 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 26500392 (or 26500386 counting only the distinct ones).

The product of its (nonzero) digits is 72, while the sum is 13.

The square root of 2120030320 is about 46043.7869858681. The cubic root of 2120030320 is about 1284.6377819021.

Adding to 2120030320 its reverse (230300212), we get a palindrome (2350330532).

The spelling of 2120030320 in words is "two billion, one hundred twenty million, thirty thousand, three hundred twenty".