21020010300232 has 16 divisors (see below), whose sum is σ = 39576056741100. Its totient is φ = 10466395169280.

The previous prime is 21020010300197. The next prime is 21020010300293. The reversal of 21020010300232 is 23200301002012.

It can be written as a sum of positive squares in 2 ways, for example, as 20802848708196 + 217161592036 = 4561014^2 + 466006^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 5451245557 + ... + 5451249412.

Almost surely, 2^{21020010300232} is an apocalyptic number.

It is an amenable number.

21020010300232 is a deficient number, since it is larger than the sum of its proper divisors (18556046440868).

21020010300232 is a wasteful number, since it uses less digits than its factorization.

21020010300232 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10902495216 (or 10902495212 counting only the distinct ones).

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

Adding to 21020010300232 its reverse (23200301002012), we get a palindrome (44220311302244).

The spelling of 21020010300232 in words is "twenty-one trillion, twenty billion, ten million, three hundred thousand, two hundred thirty-two".