20316530288 has 10 divisors (see below), whose sum is σ = 39363277464. Its totient is φ = 10158265136.

The previous prime is 20316530287. The next prime is 20316530309. The reversal of 20316530288 is 88203561302.

It is a super-2 number, since 2×20316530288² (a number of 21 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20316530287) 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, 634891556 + ... + 634891587.

Almost surely, 2^20316530288 is an apocalyptic number.

It is an amenable number.

20316530288 is a deficient number, since it is larger than the sum of its proper divisors (19046747176).

20316530288 is a wasteful number, since it uses less digits than its factorization.

20316530288 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1269783151 (or 1269783145 counting only the distinct ones).

The product of its (nonzero) digits is 69120, while the sum is 38.

The spelling of 20316530288 in words is "twenty billion, three hundred sixteen million, five hundred thirty thousand, two hundred eighty-eight".