20302122319937 has 2 divisors, whose sum is σ = 20302122319938. Its totient is φ = 20302122319936.

The previous prime is 20302122319909. The next prime is 20302122320069. The reversal of 20302122319937 is 73991322120302.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 15186016661776 + 5116105658161 = 3896924^2 + 2261881^2 .

It is a cyclic number.

It is not a de Polignac number, because 20302122319937 - 2¹⁴ = 20302122303553 is a prime.

It is a super-2 number, since 2×20302122319937² (a number of 27 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (20302122319337) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 10151061159968 + 10151061159969.

It is an arithmetic number, because the mean of its divisors is an integer number (10151061159969).

Almost surely, 2^{20302122319937} is an apocalyptic number.

It is an amenable number.

20302122319937 is a deficient number, since it is larger than the sum of its proper divisors (1).

20302122319937 is an equidigital number, since it uses as much as digits as its factorization.

20302122319937 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 244944, while the sum is 44.

The spelling of 20302122319937 in words is "twenty trillion, three hundred two billion, one hundred twenty-two million, three hundred nineteen thousand, nine hundred thirty-seven".