20003221301 has 4 divisors (see below), whose sum is σ = 22860824352. Its totient is φ = 17145618252.

The previous prime is 20003221297. The next prime is 20003221333. The reversal of 20003221301 is 10312230002.

It is a happy number.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is not a de Polignac number, because 20003221301 - 2² = 20003221297 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20003221391) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1428801515 + ... + 1428801528.

It is an arithmetic number, because the mean of its divisors is an integer number (5715206088).

Almost surely, 2^20003221301 is an apocalyptic number.

It is an amenable number.

20003221301 is a deficient number, since it is larger than the sum of its proper divisors (2857603051).

20003221301 is an equidigital number, since it uses as much as digits as its factorization.

20003221301 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2857603050.

The product of its (nonzero) digits is 72, while the sum is 14.

Adding to 20003221301 its reverse (10312230002), we get a palindrome (30315451303).

The spelling of 20003221301 in words is "twenty billion, three million, two hundred twenty-one thousand, three hundred one".