21020323341 has 16 divisors (see below), whose sum is σ = 28075880448. Its totient is φ = 13989183600.

The previous prime is 21020323297. The next prime is 21020323361. The reversal of 21020323341 is 14332302012.

It is not a de Polignac number, because 21020323341 - 2¹⁰ = 21020322317 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (21020323361) 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 15 ways as a sum of consecutive naturals, for example, 5578240 + ... + 5582006.

It is an arithmetic number, because the mean of its divisors is an integer number (1754742528).

Almost surely, 2^21020323341 is an apocalyptic number.

It is an amenable number.

21020323341 is a deficient number, since it is larger than the sum of its proper divisors (7055557107).

21020323341 is a wasteful number, since it uses less digits than its factorization.

21020323341 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6512.

The product of its (nonzero) digits is 864, while the sum is 21.

Adding to 21020323341 its reverse (14332302012), we get a palindrome (35352625353).

The spelling of 21020323341 in words is "twenty-one billion, twenty million, three hundred twenty-three thousand, three hundred forty-one".