20303555312 has 10 divisors (see below), whose sum is σ = 39338138448. Its totient is φ = 10151777648.

The previous prime is 20303555227. The next prime is 20303555317. The reversal of 20303555312 is 21355530302.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20303555317) by changing a digit.

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 as a sum of consecutive naturals, namely, 634486088 + ... + 634486119.

Almost surely, 2^20303555312 is an apocalyptic number.

It is an amenable number.

20303555312 is a deficient number, since it is larger than the sum of its proper divisors (19034583136).

20303555312 is a wasteful number, since it uses less digits than its factorization.

20303555312 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1268972215 (or 1268972209 counting only the distinct ones).

The product of its (nonzero) digits is 13500, while the sum is 29.

The spelling of 20303555312 in words is "twenty billion, three hundred three million, five hundred fifty-five thousand, three hundred twelve".