20020330314181 has 2 divisors, whose sum is σ = 20020330314182. Its totient is φ = 20020330314180.

The previous prime is 20020330314163. The next prime is 20020330314251. The reversal of 20020330314181 is 18141303302002.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 17475459893956 + 2544870420225 = 4180366^2 + 1595265^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-20020330314181 is a prime.

It is a super-2 number, since 2×20020330314181² (a number of 27 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (20020330314781) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 10010165157090 + 10010165157091.

It is an arithmetic number, because the mean of its divisors is an integer number (10010165157091).

Almost surely, 2^{20020330314181} is an apocalyptic number.

It is an amenable number.

20020330314181 is a deficient number, since it is larger than the sum of its proper divisors (1).

20020330314181 is an equidigital number, since it uses as much as digits as its factorization.

20020330314181 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 3456, while the sum is 28.

Adding to 20020330314181 its reverse (18141303302002), we get a palindrome (38161633616183).

The spelling of 20020330314181 in words is "twenty trillion, twenty billion, three hundred thirty million, three hundred fourteen thousand, one hundred eighty-one".