20482769 has 2 divisors, whose sum is σ = 20482770. Its totient is φ = 20482768.

The previous prime is 20482757. The next prime is 20482783. The reversal of 20482769 is 96728402.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 20367169 + 115600 = 4513^2 + 340^2 .

It is a cyclic number.

It is not a de Polignac number, because 20482769 - 2⁴ = 20482753 is a prime.

It is a super-2 number, since 2×20482769² = 839087651814722, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (20482789) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 10241384 + 10241385.

It is an arithmetic number, because the mean of its divisors is an integer number (10241385).

Almost surely, 2^20482769 is an apocalyptic number.

It is an amenable number.

20482769 is a deficient number, since it is larger than the sum of its proper divisors (1).

20482769 is an equidigital number, since it uses as much as digits as its factorization.

20482769 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 48384, while the sum is 38.

The square root of 20482769 is about 4525.7893234219. The cubic root of 20482769 is about 273.6084814423.

The spelling of 20482769 in words is "twenty million, four hundred eighty-two thousand, seven hundred sixty-nine".