21302365960 has 32 divisors (see below), whose sum is σ = 48129226200. Its totient is φ = 8485585920.

The previous prime is 21302365943. The next prime is 21302365979. The reversal of 21302365960 is 6956320312.

It can be written as a sum of positive squares in 4 ways, for example, as 14438906244 + 6863459716 = 120162^2 + 82846^2 .

It is an unprimeable number.

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 7 ways as a sum of consecutive naturals, for example, 1095255 + ... + 1114534.

Almost surely, 2^21302365960 is an apocalyptic number.

21302365960 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

21302365960 is an abundant number, since it is smaller than the sum of its proper divisors (26826860240).

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

21302365960 is a wasteful number, since it uses less digits than its factorization.

21302365960 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2210041 (or 2210037 counting only the distinct ones).

The product of its (nonzero) digits is 58320, while the sum is 37.

The spelling of 21302365960 in words is "twenty-one billion, three hundred two million, three hundred sixty-five thousand, nine hundred sixty".