20340433321 has 8 divisors (see below), whose sum is σ = 21907428480. Its totient is φ = 18773773392.

The previous prime is 20340433283. The next prime is 20340433327. The reversal of 20340433321 is 12333404302.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 20340433321 - 2⁷ = 20340433193 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (20340433327) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 50160 + ... + 207838.

It is an arithmetic number, because the mean of its divisors is an integer number (2738428560).

Almost surely, 2^20340433321 is an apocalyptic number.

It is an amenable number.

20340433321 is a deficient number, since it is larger than the sum of its proper divisors (1566995159).

20340433321 is a wasteful number, since it uses less digits than its factorization.

20340433321 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 167615.

The product of its (nonzero) digits is 5184, while the sum is 25.

Adding to 20340433321 its reverse (12333404302), we get a palindrome (32673837623).

The spelling of 20340433321 in words is "twenty billion, three hundred forty million, four hundred thirty-three thousand, three hundred twenty-one".