20303221112 has 16 divisors (see below), whose sum is σ = 39723693840. Its totient is φ = 9710236096.

The previous prime is 20303221109. The next prime is 20303221129. The reversal of 20303221112 is 21112230302.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 55171613 + ... + 55171980.

It is an arithmetic number, because the mean of its divisors is an integer number (2482730865).

Almost surely, 2^20303221112 is an apocalyptic number.

It is an amenable number.

20303221112 is a deficient number, since it is larger than the sum of its proper divisors (19420472728).

20303221112 is a wasteful number, since it uses less digits than its factorization.

20303221112 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 110343622 (or 110343618 counting only the distinct ones).

The product of its (nonzero) digits is 144, while the sum is 17.

Adding to 20303221112 its reverse (21112230302), we get a palindrome (41415451414).

The spelling of 20303221112 in words is "twenty billion, three hundred three million, two hundred twenty-one thousand, one hundred twelve".