20302312302277 has 2 divisors, whose sum is σ = 20302312302278. Its totient is φ = 20302312302276.

The previous prime is 20302312302247. The next prime is 20302312302329. The reversal of 20302312302277 is 77220321320302.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 18350608305121 + 1951703997156 = 4283761^2 + 1397034^2 .

It is a cyclic number.

It is not a de Polignac number, because 20302312302277 - 2⁷ = 20302312302149 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (20302312302247) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 10151156151138 + 10151156151139.

It is an arithmetic number, because the mean of its divisors is an integer number (10151156151139).

Almost surely, 2^{20302312302277} is an apocalyptic number.

It is an amenable number.

20302312302277 is a deficient number, since it is larger than the sum of its proper divisors (1).

20302312302277 is an equidigital number, since it uses as much as digits as its factorization.

20302312302277 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 42336, while the sum is 34.

Adding to 20302312302277 its reverse (77220321320302), we get a palindrome (97522633622579).

The spelling of 20302312302277 in words is "twenty trillion, three hundred two billion, three hundred twelve million, three hundred two thousand, two hundred seventy-seven".