2120301992 has 8 divisors (see below), whose sum is σ = 3975566250. Its totient is φ = 1060150992.

The previous prime is 2120301991. The next prime is 2120302099. The reversal of 2120301992 is 2991030212.

It can be written as a sum of positive squares in only one way, i.e., 1605284356 + 515017636 = 40066^2 + 22694^2 .

It is a tau number, because it is divible by the number of its divisors (8).

It is not an unprimeable number, because it can be changed into a prime (2120301991) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 132518867 + ... + 132518882.

Almost surely, 2^2120301992 is an apocalyptic number.

It is an amenable number.

2120301992 is a deficient number, since it is larger than the sum of its proper divisors (1855264258).

2120301992 is a wasteful number, since it uses less digits than its factorization.

2120301992 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 265037755 (or 265037751 counting only the distinct ones).

The product of its (nonzero) digits is 1944, while the sum is 29.

The square root of 2120301992 is about 46046.7370396644. The cubic root of 2120301992 is about 1284.6926530056.

The spelling of 2120301992 in words is "two billion, one hundred twenty million, three hundred one thousand, nine hundred ninety-two".