1020230320177 has 2 divisors, whose sum is σ = 1020230320178. Its totient is φ = 1020230320176.

The previous prime is 1020230320163. The next prime is 1020230320247. The reversal of 1020230320177 is 7710230320201.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 982826373376 + 37403946801 = 991376^2 + 193401^2 .

It is an emirp because it is prime and its reverse (7710230320201) is a distict prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1020230320177 is a prime.

It is a super-2 number, since 2×1020230320177² (a number of 25 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (1020230320877) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 510115160088 + 510115160089.

It is an arithmetic number, because the mean of its divisors is an integer number (510115160089).

Almost surely, 2^{1020230320177} is an apocalyptic number.

It is an amenable number.

1020230320177 is a deficient number, since it is larger than the sum of its proper divisors (1).

1020230320177 is an equidigital number, since it uses as much as digits as its factorization.

1020230320177 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 3528, while the sum is 28.

Adding to 1020230320177 its reverse (7710230320201), we get a palindrome (8730460640378).

The spelling of 1020230320177 in words is "one trillion, twenty billion, two hundred thirty million, three hundred twenty thousand, one hundred seventy-seven".