2080235681 has 2 divisors, whose sum is σ = 2080235682. Its totient is φ = 2080235680.

The previous prime is 2080235669. The next prime is 2080235683. The reversal of 2080235681 is 1865320802.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 1537345681 + 542890000 = 39209^2 + 23300^2 .

It is a cyclic number.

It is not a de Polignac number, because 2080235681 - 2¹⁰ = 2080234657 is a prime.

It is a super-2 number, since 2×2080235681² = 8654760977011067522, which contains 22 as substring.

Together with 2080235683, it forms a pair of twin primes.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (2080235683) 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, 1040117840 + 1040117841.

It is an arithmetic number, because the mean of its divisors is an integer number (1040117841).

Almost surely, 2^2080235681 is an apocalyptic number.

It is an amenable number.

2080235681 is a deficient number, since it is larger than the sum of its proper divisors (1).

2080235681 is an equidigital number, since it uses as much as digits as its factorization.

2080235681 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 23040, while the sum is 35.

The square root of 2080235681 is about 45609.6007546657. The cubic root of 2080235681 is about 1276.5490706113.

The spelling of 2080235681 in words is "two billion, eighty million, two hundred thirty-five thousand, six hundred eighty-one".