20055301297 has 2 divisors, whose sum is σ = 20055301298. Its totient is φ = 20055301296.

The previous prime is 20055301199. The next prime is 20055301307. The reversal of 20055301297 is 79210355002.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 16527416481 + 3527884816 = 128559^2 + 59396^2 .

It is a cyclic number.

It is not a de Polignac number, because 20055301297 - 2³¹ = 17907817649 is a prime.

It is a super-2 number, since 2×20055301297² (a number of 21 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (20055301997) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 10027650648 + 10027650649.

It is an arithmetic number, because the mean of its divisors is an integer number (10027650649).

Almost surely, 2^20055301297 is an apocalyptic number.

It is an amenable number.

20055301297 is a deficient number, since it is larger than the sum of its proper divisors (1).

20055301297 is an equidigital number, since it uses as much as digits as its factorization.

20055301297 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 18900, while the sum is 34.

Adding to 20055301297 its reverse (79210355002), we get a palindrome (99265656299).

The spelling of 20055301297 in words is "twenty billion, fifty-five million, three hundred one thousand, two hundred ninety-seven".