10320220247 has 2 divisors, whose sum is σ = 10320220248. Its totient is φ = 10320220246.

The previous prime is 10320220241. The next prime is 10320220283. The reversal of 10320220247 is 74202202301.

It is a happy number.

It is a weak prime.

It is an emirp because it is prime and its reverse (74202202301) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 10320220247 - 2²⁰ = 10319171671 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (10320220241) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5160110123 + 5160110124.

It is an arithmetic number, because the mean of its divisors is an integer number (5160110124).

Almost surely, 2^10320220247 is an apocalyptic number.

10320220247 is a deficient number, since it is larger than the sum of its proper divisors (1).

10320220247 is an equidigital number, since it uses as much as digits as its factorization.

10320220247 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1344, while the sum is 23.

Adding to 10320220247 its reverse (74202202301), we get a palindrome (84522422548).

The spelling of 10320220247 in words is "ten billion, three hundred twenty million, two hundred twenty thousand, two hundred forty-seven".