20048269 has 4 divisors (see below), whose sum is σ = 20235744. Its totient is φ = 19860796.

The previous prime is 20048267. The next prime is 20048311. The reversal of 20048269 is 96284002.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 20048269 - 2¹ = 20048267 is a prime.

It is a super-2 number, since 2×20048269² = 803866179792722, which contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 20048269.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20048267) 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, 93577 + ... + 93790.

It is an arithmetic number, because the mean of its divisors is an integer number (5058936).

Almost surely, 2^20048269 is an apocalyptic number.

It is an amenable number.

20048269 is a deficient number, since it is larger than the sum of its proper divisors (187475).

20048269 is a wasteful number, since it uses less digits than its factorization.

20048269 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 187474.

The product of its (nonzero) digits is 6912, while the sum is 31.

The square root of 20048269 is about 4477.5293410541. The cubic root of 20048269 is about 271.6599565926.

The spelling of 20048269 in words is "twenty million, forty-eight thousand, two hundred sixty-nine".