2300320220021 has 2 divisors, whose sum is σ = 2300320220022. Its totient is φ = 2300320220020.

The previous prime is 2300320220017. The next prime is 2300320220039. The reversal of 2300320220021 is 1200220230032.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 1890446254225 + 409873965796 = 1374935^2 + 640214^2 .

It is a cyclic number.

It is not a de Polignac number, because 2300320220021 - 2² = 2300320220017 is a prime.

It is a super-2 number, since 2×2300320220021² (a number of 26 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2300320220041) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1150160110010 + 1150160110011.

It is an arithmetic number, because the mean of its divisors is an integer number (1150160110011).

Almost surely, 2^{2300320220021} is an apocalyptic number.

It is an amenable number.

2300320220021 is a deficient number, since it is larger than the sum of its proper divisors (1).

2300320220021 is an equidigital number, since it uses as much as digits as its factorization.

2300320220021 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 288, while the sum is 17.

Adding to 2300320220021 its reverse (1200220230032), we get a palindrome (3500540450053).

The spelling of 2300320220021 in words is "two trillion, three hundred billion, three hundred twenty million, two hundred twenty thousand, twenty-one".