20322132312061 has 2 divisors, whose sum is σ = 20322132312062. Its totient is φ = 20322132312060.

The previous prime is 20322132312049. The next prime is 20322132312137. The reversal of 20322132312061 is 16021323122302.

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., 17247699711225 + 3074432600836 = 4153035^2 + 1753406^2 .

It is a cyclic number.

It is not a de Polignac number, because 20322132312061 - 2⁷ = 20322132311933 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (20322132312011) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (31) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 10161066156030 + 10161066156031.

It is an arithmetic number, because the mean of its divisors is an integer number (10161066156031).

Almost surely, 2^{20322132312061} is an apocalyptic number.

It is an amenable number.

20322132312061 is a deficient number, since it is larger than the sum of its proper divisors (1).

20322132312061 is an equidigital number, since it uses as much as digits as its factorization.

20322132312061 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 5184, while the sum is 28.

Adding to 20322132312061 its reverse (16021323122302), we get a palindrome (36343455434363).

The spelling of 20322132312061 in words is "twenty trillion, three hundred twenty-two billion, one hundred thirty-two million, three hundred twelve thousand, sixty-one".