20212003321 has 8 divisors (see below), whose sum is σ = 20353406400. Its totient is φ = 20070677232.

The previous prime is 20212003121. The next prime is 20212003397. The reversal of 20212003321 is 12330021202.

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 20212003321 - 2²⁵ = 20178448889 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 20212003295 and 20212003304.

It is not an unprimeable number, because it can be changed into a prime (20212003121) 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, 570306 + ... + 604708.

It is an arithmetic number, because the mean of its divisors is an integer number (2544175800).

Almost surely, 2^20212003321 is an apocalyptic number.

It is an amenable number.

20212003321 is a deficient number, since it is larger than the sum of its proper divisors (141403079).

20212003321 is a wasteful number, since it uses less digits than its factorization.

20212003321 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 38495.

The product of its (nonzero) digits is 144, while the sum is 16.

Adding to 20212003321 its reverse (12330021202), we get a palindrome (32542024523).

The spelling of 20212003321 in words is "twenty billion, two hundred twelve million, three thousand, three hundred twenty-one".