21301020232 has 32 divisors (see below), whose sum is σ = 42054465600. Its totient is φ = 10086842304.

The previous prime is 21301020217. The next prime is 21301020269. The reversal of 21301020232 is 23202010312.

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, 516238 + ... + 555970.

It is an arithmetic number, because the mean of its divisors is an integer number (1314202050).

Almost surely, 2^21301020232 is an apocalyptic number.

It is an amenable number.

21301020232 is a deficient number, since it is larger than the sum of its proper divisors (20753445368).

21301020232 is a wasteful number, since it uses less digits than its factorization.

21301020232 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 43285 (or 43281 counting only the distinct ones).

The product of its (nonzero) digits is 144, while the sum is 16.

Adding to 21301020232 its reverse (23202010312), we get a palindrome (44503030544).

The spelling of 21301020232 in words is "twenty-one billion, three hundred one million, twenty thousand, two hundred thirty-two".