220299613 has 2 divisors, whose sum is σ = 220299614. Its totient is φ = 220299612.

The previous prime is 220299587. The next prime is 220299659. The reversal of 220299613 is 316992022.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 219839929 + 459684 = 14827^2 + 678^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-220299613 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (220299713) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 110149806 + 110149807.

It is an arithmetic number, because the mean of its divisors is an integer number (110149807).

Almost surely, 2^220299613 is an apocalyptic number.

It is an amenable number.

220299613 is a deficient number, since it is larger than the sum of its proper divisors (1).

220299613 is an equidigital number, since it uses as much as digits as its factorization.

220299613 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 11664, while the sum is 34.

The square root of 220299613 is about 14842.4934899767. The cubic root of 220299613 is about 603.9549958793.

The spelling of 220299613 in words is "two hundred twenty million, two hundred ninety-nine thousand, six hundred thirteen".