21068850232 has 16 divisors (see below), whose sum is σ = 39887630640. Its totient is φ = 10432148736.

The previous prime is 21068850221. The next prime is 21068850239. The reversal of 21068850232 is 23205886012.

It is a junction number, because it is equal to n+sod(n) for n = 21068850191 and 21068850200.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (21068850239) by changing a digit.

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 3 ways as a sum of consecutive naturals, for example, 12783673 + ... + 12785320.

It is an arithmetic number, because the mean of its divisors is an integer number (2492976915).

Almost surely, 2^21068850232 is an apocalyptic number.

It is an amenable number.

21068850232 is a deficient number, since it is larger than the sum of its proper divisors (18818780408).

21068850232 is a wasteful number, since it uses less digits than its factorization.

21068850232 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 25569102 (or 25569098 counting only the distinct ones).

The product of its (nonzero) digits is 46080, while the sum is 37.

The spelling of 21068850232 in words is "twenty-one billion, sixty-eight million, eight hundred fifty thousand, two hundred thirty-two".