20324448 has 36 divisors (see below), whose sum is σ = 57798468. Its totient is φ = 6774720.

The previous prime is 20324413. The next prime is 20324453. The reversal of 20324448 is 84442302.

It is a happy number.

It is a tau number, because it is divible by the number of its divisors (36).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 34998 + ... + 35573.

It is an arithmetic number, because the mean of its divisors is an integer number (1605513).

Almost surely, 2^20324448 is an apocalyptic number.

It is an amenable number.

20324448 is an abundant number, since it is smaller than the sum of its proper divisors (37474020).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

20324448 is a wasteful number, since it uses less digits than its factorization.

20324448 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 70587 (or 70576 counting only the distinct ones).

The product of its (nonzero) digits is 6144, while the sum is 27.

The square root of 20324448 is about 4508.2644110567. The cubic root of 20324448 is about 272.9017075602.

The spelling of 20324448 in words is "twenty million, three hundred twenty-four thousand, four hundred forty-eight".