2120342292 has 48 divisors (see below), whose sum is σ = 5500001920. Its totient is φ = 706418496.

The previous prime is 2120342291. The next prime is 2120342321. The reversal of 2120342292 is 2922430212.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2120342291) 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 in 15 ways as a sum of consecutive naturals, for example, 282168 + ... + 289584.

Almost surely, 2^2120342292 is an apocalyptic number.

It is an amenable number.

2120342292 is an abundant number, since it is smaller than the sum of its proper divisors (3379659628).

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

2120342292 is a wasteful number, since it uses less digits than its factorization.

2120342292 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10077 (or 10069 counting only the distinct ones).

The product of its (nonzero) digits is 3456, while the sum is 27.

The square root of 2120342292 is about 46047.1746364530. The cubic root of 2120342292 is about 1284.7007922213.

The spelling of 2120342292 in words is "two billion, one hundred twenty million, three hundred forty-two thousand, two hundred ninety-two".