20034321 has 8 divisors (see below), whose sum is σ = 27050880. Its totient is φ = 13186992.

The previous prime is 20034317. The next prime is 20034323. The reversal of 20034321 is 12343002.

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

It is not a de Polignac number, because 20034321 - 2² = 20034317 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 20034321.

It is not an unprimeable number, because it can be changed into a prime (20034323) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 42030 + ... + 42503.

It is an arithmetic number, because the mean of its divisors is an integer number (3381360).

Almost surely, 2^20034321 is an apocalyptic number.

It is an amenable number.

20034321 is a deficient number, since it is larger than the sum of its proper divisors (7016559).

20034321 is an equidigital number, since it uses as much as digits as its factorization.

20034321 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 84615.

The product of its (nonzero) digits is 144, while the sum is 15.

The square root of 20034321 is about 4475.9715146547. The cubic root of 20034321 is about 271.5969421392.

Adding to 20034321 its reverse (12343002), we get a palindrome (32377323).

The spelling of 20034321 in words is "twenty million, thirty-four thousand, three hundred twenty-one".