20112203 has 8 divisors (see below), whose sum is σ = 21214800. Its totient is φ = 19014048.

The previous prime is 20112199. The next prime is 20112217. The reversal of 20112203 is 30221102.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 20112203 - 2² = 20112199 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (20112223) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 12725 + ... + 14217.

It is an arithmetic number, because the mean of its divisors is an integer number (2651850).

Almost surely, 2^20112203 is an apocalyptic number.

20112203 is a deficient number, since it is larger than the sum of its proper divisors (1102597).

20112203 is a wasteful number, since it uses less digits than its factorization.

20112203 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2221.

The product of its (nonzero) digits is 24, while the sum is 11.

The square root of 20112203 is about 4484.6630865651. The cubic root of 20112203 is about 271.9484250180.

Adding to 20112203 its reverse (30221102), we get a palindrome (50333305).

The spelling of 20112203 in words is "twenty million, one hundred twelve thousand, two hundred three".