13020202 has 8 divisors (see below), whose sum is σ = 21032676. Its totient is φ = 6009312.

The previous prime is 13020197. The next prime is 13020209. The reversal of 13020202 is 20202031.

It can be written as a sum of positive squares in 2 ways, for example, as 10949481 + 2070721 = 3309^2 + 1439^2 .

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

It is not an unprimeable number, because it can be changed into a prime (13020209) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 250363 + ... + 250414.

Almost surely, 2^13020202 is an apocalyptic number.

13020202 is a deficient number, since it is larger than the sum of its proper divisors (8012474).

13020202 is a wasteful number, since it uses less digits than its factorization.

13020202 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 500792.

The product of its (nonzero) digits is 24, while the sum is 10.

The square root of 13020202 is about 3608.3517012619. The cubic root of 13020202 is about 235.2552048714.

Adding to 13020202 its reverse (20202031), we get a palindrome (33222233).

It can be divided in two parts, 1 and 3020202, that added together give a palindrome (3020203).

The spelling of 13020202 in words is "thirteen million, twenty thousand, two hundred two".