20011222203 has 16 divisors (see below), whose sum is σ = 30993182976. Its totient is φ = 11247524640.

The previous prime is 20011222193. The next prime is 20011222211. The reversal of 20011222203 is 30222211002.

It is a happy number.

It is not a de Polignac number, because 20011222203 - 2⁶ = 20011222139 is a prime.

It is not an unprimeable number, because it can be changed into a prime (20011222003) 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, 7809501 + ... + 7812062.

It is an arithmetic number, because the mean of its divisors is an integer number (1937073936).

Almost surely, 2^20011222203 is an apocalyptic number.

20011222203 is a deficient number, since it is larger than the sum of its proper divisors (10981960773).

20011222203 is a wasteful number, since it uses less digits than its factorization.

20011222203 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15621634.

The product of its (nonzero) digits is 96, while the sum is 15.

Adding to 20011222203 its reverse (30222211002), we get a palindrome (50233433205).

The spelling of 20011222203 in words is "twenty billion, eleven million, two hundred twenty-two thousand, two hundred three".