20025441452417 has 2 divisors, whose sum is σ = 20025441452418. Its totient is φ = 20025441452416.

The previous prime is 20025441452413. The next prime is 20025441452441. The reversal of 20025441452417 is 71425414452002.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 18620182942321 + 1405258510096 = 4315111^2 + 1185436^2 .

It is a cyclic number.

It is not a de Polignac number, because 20025441452417 - 2² = 20025441452413 is a prime.

It is not a weakly prime, because it can be changed into another prime (20025441452413) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 10012720726208 + 10012720726209.

It is an arithmetic number, because the mean of its divisors is an integer number (10012720726209).

Almost surely, 2^{20025441452417} is an apocalyptic number.

It is an amenable number.

20025441452417 is a deficient number, since it is larger than the sum of its proper divisors (1).

20025441452417 is an equidigital number, since it uses as much as digits as its factorization.

20025441452417 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 358400, while the sum is 41.

The spelling of 20025441452417 in words is "twenty trillion, twenty-five billion, four hundred forty-one million, four hundred fifty-two thousand, four hundred seventeen".