20034413321 has 4 divisors (see below), whose sum is σ = 21575522052. Its totient is φ = 18493304592.

The previous prime is 20034413299. The next prime is 20034413339. The reversal of 20034413321 is 12331443002.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 2823859600 + 17210553721 = 53140^2 + 131189^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-20034413321 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (20034413921) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 770554346 + ... + 770554371.

It is an arithmetic number, because the mean of its divisors is an integer number (5393880513).

Almost surely, 2^20034413321 is an apocalyptic number.

It is an amenable number.

20034413321 is a deficient number, since it is larger than the sum of its proper divisors (1541108731).

20034413321 is a wasteful number, since it uses less digits than its factorization.

20034413321 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1541108730.

The product of its (nonzero) digits is 1728, while the sum is 23.

Adding to 20034413321 its reverse (12331443002), we get a palindrome (32365856323).

The spelling of 20034413321 in words is "twenty billion, thirty-four million, four hundred thirteen thousand, three hundred twenty-one".