20052320312 has 16 divisors (see below), whose sum is σ = 37599608400. Its totient is φ = 10025758080.

The previous prime is 20052320293. The next prime is 20052320359. The reversal of 20052320312 is 21302325002.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 339389 + ... + 394067.

It is an arithmetic number, because the mean of its divisors is an integer number (2349975525).

Almost surely, 2^20052320312 is an apocalyptic number.

It is an amenable number.

20052320312 is a deficient number, since it is larger than the sum of its proper divisors (17547288088).

20052320312 is a wasteful number, since it uses less digits than its factorization.

20052320312 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 100526 (or 100522 counting only the distinct ones).

The product of its (nonzero) digits is 720, while the sum is 20.

Adding to 20052320312 its reverse (21302325002), we get a palindrome (41354645314).

The spelling of 20052320312 in words is "twenty billion, fifty-two million, three hundred twenty thousand, three hundred twelve".