20130224203 has 4 divisors (see below), whose sum is σ = 20510039808. Its totient is φ = 19750408600.

The previous prime is 20130224159. The next prime is 20130224209. The reversal of 20130224203 is 30242203102.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 30242203102 = 2 ⋅15121101551.

It is a cyclic number.

It is not a de Polignac number, because 20130224203 - 2¹³ = 20130216011 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (20130224209) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 189907723 + ... + 189907828.

It is an arithmetic number, because the mean of its divisors is an integer number (5127509952).

Almost surely, 2^20130224203 is an apocalyptic number.

20130224203 is a deficient number, since it is larger than the sum of its proper divisors (379815605).

20130224203 is an equidigital number, since it uses as much as digits as its factorization.

20130224203 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 379815604.

The product of its (nonzero) digits is 576, while the sum is 19.

Adding to 20130224203 its reverse (30242203102), we get a palindrome (50372427305).

The spelling of 20130224203 in words is "twenty billion, one hundred thirty million, two hundred twenty-four thousand, two hundred three".