2142320052 has 12 divisors (see below), whose sum is σ = 4998746816. Its totient is φ = 714106680.

The previous prime is 2142320039. The next prime is 2142320083. The reversal of 2142320052 is 2500232412.

It is a tau number, because it is divible by the number of its divisors (12).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 89263324 + ... + 89263347.

Almost surely, 2^2142320052 is an apocalyptic number.

It is an amenable number.

2142320052 is an abundant number, since it is smaller than the sum of its proper divisors (2856426764).

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

2142320052 is a wasteful number, since it uses less digits than its factorization.

2142320052 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 178526678 (or 178526676 counting only the distinct ones).

The product of its (nonzero) digits is 960, while the sum is 21.

The square root of 2142320052 is about 46285.2033807782. The cubic root of 2142320052 is about 1289.1242683223.

Adding to 2142320052 its reverse (2500232412), we get a palindrome (4642552464).

The spelling of 2142320052 in words is "two billion, one hundred forty-two million, three hundred twenty thousand, fifty-two".