20469448 has 32 divisors (see below), whose sum is σ = 40824000. Its totient is φ = 9600448.

The previous prime is 20469433. The next prime is 20469451. The reversal of 20469448 is 84496402.

It is a super-3 number, since 3×20469448³ (a number of 23 digits) contains 333 as substring.

It is an unprimeable number.

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 in 7 ways as a sum of consecutive naturals, for example, 8703 + ... + 10801.

It is an arithmetic number, because the mean of its divisors is an integer number (1275750).

Almost surely, 2^20469448 is an apocalyptic number.

It is an amenable number.

20469448 is a deficient number, since it is larger than the sum of its proper divisors (20354552).

20469448 is a wasteful number, since it uses less digits than its factorization.

20469448 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2181 (or 2177 counting only the distinct ones).

The product of its (nonzero) digits is 55296, while the sum is 37.

The square root of 20469448 is about 4524.3174070792. The cubic root of 20469448 is about 273.5491546819.

The spelling of 20469448 in words is "twenty million, four hundred sixty-nine thousand, four hundred forty-eight".