20332112312077 has 2 divisors, whose sum is σ = 20332112312078. Its totient is φ = 20332112312076.

The previous prime is 20332112312027. The next prime is 20332112312093. The reversal of 20332112312077 is 77021321123302.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 17577106560036 + 2755005752041 = 4192506^2 + 1659821^2 .

It is a cyclic number.

It is not a de Polignac number, because 20332112312077 - 2³¹ = 20329964828429 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (20332112312027) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 10166056156038 + 10166056156039.

It is an arithmetic number, because the mean of its divisors is an integer number (10166056156039).

Almost surely, 2^{20332112312077} is an apocalyptic number.

It is an amenable number.

20332112312077 is a deficient number, since it is larger than the sum of its proper divisors (1).

20332112312077 is an equidigital number, since it uses as much as digits as its factorization.

20332112312077 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 21168, while the sum is 34.

Adding to 20332112312077 its reverse (77021321123302), we get a palindrome (97353433435379).

The spelling of 20332112312077 in words is "twenty trillion, three hundred thirty-two billion, one hundred twelve million, three hundred twelve thousand, seventy-seven".