20003221330 has 16 divisors (see below), whose sum is σ = 36008245440. Its totient is φ = 8000744752.

The previous prime is 20003221297. The next prime is 20003221333. The reversal of 20003221330 is 3312230002.

It is not an unprimeable number, because it can be changed into a prime (20003221333) 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, 108291 + ... + 227449.

It is an arithmetic number, because the mean of its divisors is an integer number (2250515340).

Almost surely, 2^20003221330 is an apocalyptic number.

20003221330 is a deficient number, since it is larger than the sum of its proper divisors (16005024110).

20003221330 is a wasteful number, since it uses less digits than its factorization.

20003221330 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 135953.

The product of its (nonzero) digits is 216, while the sum is 16.

Adding to 20003221330 its reverse (3312230002), we get a palindrome (23315451332).

The spelling of 20003221330 in words is "twenty billion, three million, two hundred twenty-one thousand, three hundred thirty".