20320312141 has 2 divisors, whose sum is σ = 20320312142. Its totient is φ = 20320312140.

The previous prime is 20320312087. The next prime is 20320312213. The reversal of 20320312141 is 14121302302.

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., 11592828900 + 8727483241 = 107670^2 + 93421^2 .

It is a cyclic number.

It is not a de Polignac number, because 20320312141 - 2¹⁷ = 20320181069 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (20320312841) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 10160156070 + 10160156071.

It is an arithmetic number, because the mean of its divisors is an integer number (10160156071).

Almost surely, 2^20320312141 is an apocalyptic number.

It is an amenable number.

20320312141 is a deficient number, since it is larger than the sum of its proper divisors (1).

20320312141 is an equidigital number, since it uses as much as digits as its factorization.

20320312141 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 288, while the sum is 19.

Adding to 20320312141 its reverse (14121302302), we get a palindrome (34441614443).

The spelling of 20320312141 in words is "twenty billion, three hundred twenty million, three hundred twelve thousand, one hundred forty-one".