20003200221 has 8 divisors (see below), whose sum is σ = 27391769824. Its totient is φ = 12975048720.

The previous prime is 20003200219. The next prime is 20003200277. The reversal of 20003200221 is 12200230002.

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

It is not a de Polignac number, because 20003200221 - 2¹ = 20003200219 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 20003200197 and 20003200206.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20003208221) 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, 90104395 + ... + 90104616.

It is an arithmetic number, because the mean of its divisors is an integer number (3423971228).

Almost surely, 2^20003200221 is an apocalyptic number.

It is an amenable number.

20003200221 is a deficient number, since it is larger than the sum of its proper divisors (7388569603).

20003200221 is a wasteful number, since it uses less digits than its factorization.

20003200221 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 180209051.

The product of its (nonzero) digits is 48, while the sum is 12.

Adding to 20003200221 its reverse (12200230002), we get a palindrome (32203430223).

The spelling of 20003200221 in words is "twenty billion, three million, two hundred thousand, two hundred twenty-one".