2120023300 has 18 divisors (see below), whose sum is σ = 4600450778. Its totient is φ = 848009280.

The previous prime is 2120023261. The next prime is 2120023307. The reversal of 2120023300 is 33200212.

It is a happy number.

It can be written as a sum of positive squares in 3 ways, for example, as 253956096 + 1866067204 = 15936^2 + 43198^2 .

It is not an unprimeable number, because it can be changed into a prime (2120023307) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 10600017 + ... + 10600216.

Almost surely, 2^2120023300 is an apocalyptic number.

2120023300 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2120023300 is an abundant number, since it is smaller than the sum of its proper divisors (2480427478).

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

2120023300 is a wasteful number, since it uses less digits than its factorization.

2120023300 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 21200247 (or 21200240 counting only the distinct ones).

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

The square root of 2120023300 is about 46043.7107540216. The cubic root of 2120023300 is about 1284.6363639716.

Adding to 2120023300 its reverse (33200212), we get a palindrome (2153223512).

The spelling of 2120023300 in words is "two billion, one hundred twenty million, twenty-three thousand, three hundred".