20302313078401 has 2 divisors, whose sum is σ = 20302313078402. Its totient is φ = 20302313078400.

The previous prime is 20302313078363. The next prime is 20302313078423. The reversal of 20302313078401 is 10487031320302.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 17502969159025 + 2799343919376 = 4183655^2 + 1673124^2 .

It is a cyclic number.

It is not a de Polignac number, because 20302313078401 - 2¹³ = 20302313070209 is a prime.

It is not a weakly prime, because it can be changed into another prime (20302313078501) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 10151156539200 + 10151156539201.

It is an arithmetic number, because the mean of its divisors is an integer number (10151156539201).

Almost surely, 2^{20302313078401} is an apocalyptic number.

It is an amenable number.

20302313078401 is a deficient number, since it is larger than the sum of its proper divisors (1).

20302313078401 is an equidigital number, since it uses as much as digits as its factorization.

20302313078401 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 24192, while the sum is 34.

Adding to 20302313078401 its reverse (10487031320302), we get a palindrome (30789344398703).

The spelling of 20302313078401 in words is "twenty trillion, three hundred two billion, three hundred thirteen million, seventy-eight thousand, four hundred one".