20303221030 has 16 divisors (see below), whose sum is σ = 37805998320. Its totient is φ = 7841243872.

The previous prime is 20303221027. The next prime is 20303221049. The reversal of 20303221030 is 3012230302.

It is a junction number, because it is equal to n+sod(n) for n = 20303220995 and 20303221013.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 35005264 + ... + 35005843.

It is an arithmetic number, because the mean of its divisors is an integer number (2362874895).

Almost surely, 2^20303221030 is an apocalyptic number.

20303221030 is a deficient number, since it is larger than the sum of its proper divisors (17502777290).

20303221030 is a wasteful number, since it uses less digits than its factorization.

20303221030 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 70011143.

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

Adding to 20303221030 its reverse (3012230302), we get a palindrome (23315451332).

The spelling of 20303221030 in words is "twenty billion, three hundred three million, two hundred twenty-one thousand, thirty".