20003221110 has 32 divisors (see below), whose sum is σ = 48448176480. Its totient is φ = 5285253888.

The previous prime is 20003221099. The next prime is 20003221153. The reversal of 20003221110 is 1112230002.

It is a Curzon number.

It is a congruent number.

It is an unprimeable number.

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 15 ways as a sum of consecutive naturals, for example, 3055327 + ... + 3061866.

It is an arithmetic number, because the mean of its divisors is an integer number (1514005515).

Almost surely, 2^20003221110 is an apocalyptic number.

20003221110 is an abundant number, since it is smaller than the sum of its proper divisors (28444955370).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

20003221110 is a wasteful number, since it uses less digits than its factorization.

20003221110 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6117312.

The product of its (nonzero) digits is 24, while the sum is 12.

Adding to 20003221110 its reverse (1112230002), we get a palindrome (21115451112).

The spelling of 20003221110 in words is "twenty billion, three million, two hundred twenty-one thousand, one hundred ten".