13210220203 has 4 divisors (see below), whose sum is σ = 13214909160. Its totient is φ = 13205531248.

The previous prime is 13210220201. The next prime is 13210220251. The reversal of 13210220203 is 30202201231.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 30202201231 = 577 ⋅52343503.

It is a cyclic number.

It is not a de Polignac number, because 13210220203 - 2¹ = 13210220201 is a prime.

It is a super-2 number, since 2×13210220203² (a number of 21 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (13210220201) 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, 2340250 + ... + 2345887.

It is an arithmetic number, because the mean of its divisors is an integer number (3303727290).

Almost surely, 2^13210220203 is an apocalyptic number.

13210220203 is a deficient number, since it is larger than the sum of its proper divisors (4688957).

13210220203 is an equidigital number, since it uses as much as digits as its factorization.

13210220203 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4688956.

The product of its (nonzero) digits is 144, while the sum is 16.

Adding to 13210220203 its reverse (30202201231), we get a palindrome (43412421434).

The spelling of 13210220203 in words is "thirteen billion, two hundred ten million, two hundred twenty thousand, two hundred three".