21320126732282 has 64 divisors (see below), whose sum is σ = 39732680908800. Its totient is φ = 8373001285440.

The previous prime is 21320126732243. The next prime is 21320126732299. The reversal of 21320126732282 is 28223762102312.

It is a happy number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 16436153 + ... + 17685795.

It is an arithmetic number, because the mean of its divisors is an integer number (620823139200).

Almost surely, 2^{21320126732282} is an apocalyptic number.

21320126732282 is a deficient number, since it is larger than the sum of its proper divisors (18412554176518).

21320126732282 is a wasteful number, since it uses less digits than its factorization.

21320126732282 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1251771.

The product of its (nonzero) digits is 193536, while the sum is 41.

Adding to 21320126732282 its reverse (28223762102312), we get a palindrome (49543888834594).

The spelling of 21320126732282 in words is "twenty-one trillion, three hundred twenty billion, one hundred twenty-six million, seven hundred thirty-two thousand, two hundred eighty-two".