20341143321 has 16 divisors (see below), whose sum is σ = 27638141760. Its totient is φ = 13302544320.

The previous prime is 20341143313. The next prime is 20341143349. The reversal of 20341143321 is 12334114302.

It is a happy number.

It is not a de Polignac number, because 20341143321 - 2³ = 20341143313 is a prime.

It is a super-2 number, since 2×20341143321² (a number of 21 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 20341143291 and 20341143300.

It is not an unprimeable number, because it can be changed into a prime (20341143371) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1721010 + ... + 1732788.

It is an arithmetic number, because the mean of its divisors is an integer number (1727383860).

Almost surely, 2^20341143321 is an apocalyptic number.

It is an amenable number.

20341143321 is a deficient number, since it is larger than the sum of its proper divisors (7296998439).

20341143321 is a wasteful number, since it uses less digits than its factorization.

20341143321 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 22696.

The product of its (nonzero) digits is 1728, while the sum is 24.

Adding to 20341143321 its reverse (12334114302), we get a palindrome (32675257623).

The spelling of 20341143321 in words is "twenty billion, three hundred forty-one million, one hundred forty-three thousand, three hundred twenty-one".