20110222003 has 16 divisors (see below), whose sum is σ = 21595986720. Its totient is φ = 18668123136.

The previous prime is 20110221977. The next prime is 20110222007. The reversal of 20110222003 is 30022201102.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-20110222003 is a prime.

It is not an unprimeable number, because it can be changed into a prime (20110222007) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 790051 + ... + 815107.

It is an arithmetic number, because the mean of its divisors is an integer number (1349749170).

Almost surely, 2^20110222003 is an apocalyptic number.

20110222003 is a deficient number, since it is larger than the sum of its proper divisors (1485764717).

20110222003 is a wasteful number, since it uses less digits than its factorization.

20110222003 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 25926.

The product of its (nonzero) digits is 48, while the sum is 13.

Adding to 20110222003 its reverse (30022201102), we get a palindrome (50132423105).

The spelling of 20110222003 in words is "twenty billion, one hundred ten million, two hundred twenty-two thousand, three".