20296469 has 4 divisors (see below), whose sum is σ = 20629260. Its totient is φ = 19963680.

The previous prime is 20296457. The next prime is 20296481. The reversal of 20296469 is 96469202.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 96469202 = 2 ⋅48234601.

It is an interprime number because it is at equal distance from previous prime (20296457) and next prime (20296481).

It can be written as a sum of positive squares in 2 ways, for example, as 600625 + 19695844 = 775^2 + 4438^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-20296469 is a prime.

It is a super-2 number, since 2×20296469² = 823893307735922, which contains 22 as substring.

It is a Duffinian number.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20296439) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 166304 + ... + 166425.

It is an arithmetic number, because the mean of its divisors is an integer number (5157315).

Almost surely, 2^20296469 is an apocalyptic number.

It is an amenable number.

20296469 is a deficient number, since it is larger than the sum of its proper divisors (332791).

20296469 is an equidigital number, since it uses as much as digits as its factorization.

20296469 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 332790.

The product of its (nonzero) digits is 46656, while the sum is 38.

The square root of 20296469 is about 4505.1602635200. The cubic root of 20296469 is about 272.7764229229.

The spelling of 20296469 in words is "twenty million, two hundred ninety-six thousand, four hundred sixty-nine".