20453530226617 has 2 divisors, whose sum is σ = 20453530226618. Its totient is φ = 20453530226616.

The previous prime is 20453530226573. The next prime is 20453530226693. The reversal of 20453530226617 is 71662203535402.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 20182834785961 + 270695440656 = 4492531^2 + 520284^2 .

It is a cyclic number.

It is not a de Polignac number, because 20453530226617 - 2¹⁵ = 20453530193849 is a prime.

It is a super-2 number, since 2×20453530226617² (a number of 27 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (20453530226117) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 10226765113308 + 10226765113309.

It is an arithmetic number, because the mean of its divisors is an integer number (10226765113309).

Almost surely, 2^{20453530226617} is an apocalyptic number.

It is an amenable number.

20453530226617 is a deficient number, since it is larger than the sum of its proper divisors (1).

20453530226617 is an equidigital number, since it uses as much as digits as its factorization.

20453530226617 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1814400, while the sum is 46.

The spelling of 20453530226617 in words is "twenty trillion, four hundred fifty-three billion, five hundred thirty million, two hundred twenty-six thousand, six hundred seventeen".