220236013 has 2 divisors, whose sum is σ = 220236014. Its totient is φ = 220236012.

The previous prime is 220236001. The next prime is 220236061. The reversal of 220236013 is 310632022.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 176438089 + 43797924 = 13283^2 + 6618^2 .

It is a cyclic number.

It is not a de Polignac number, because 220236013 - 2²¹ = 218138861 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (220236613) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 110118006 + 110118007.

It is an arithmetic number, because the mean of its divisors is an integer number (110118007).

Almost surely, 2^220236013 is an apocalyptic number.

It is an amenable number.

220236013 is a deficient number, since it is larger than the sum of its proper divisors (1).

220236013 is an equidigital number, since it uses as much as digits as its factorization.

220236013 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 432, while the sum is 19.

The square root of 220236013 is about 14840.3508381709. The cubic root of 220236013 is about 603.8968701383.

Adding to 220236013 its reverse (310632022), we get a palindrome (530868035).

The spelling of 220236013 in words is "two hundred twenty million, two hundred thirty-six thousand, thirteen".