21200332063 has 2 divisors, whose sum is σ = 21200332064. Its totient is φ = 21200332062.

The previous prime is 21200332033. The next prime is 21200332091. The reversal of 21200332063 is 36023300212.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 21200332063 - 2¹⁷ = 21200200991 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (21200332033) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 10600166031 + 10600166032.

It is an arithmetic number, because the mean of its divisors is an integer number (10600166032).

Almost surely, 2^21200332063 is an apocalyptic number.

21200332063 is a deficient number, since it is larger than the sum of its proper divisors (1).

21200332063 is an equidigital number, since it uses as much as digits as its factorization.

21200332063 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1296, while the sum is 22.

Adding to 21200332063 its reverse (36023300212), we get a palindrome (57223632275).

The spelling of 21200332063 in words is "twenty-one billion, two hundred million, three hundred thirty-two thousand, sixty-three".