20248464 has 40 divisors (see below), whose sum is σ = 54585792. Its totient is φ = 6455680.

The previous prime is 20248457. The next prime is 20248477. The reversal of 20248464 is 46484202.

It is an unprimeable number.

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 7 ways as a sum of consecutive naturals, for example, 8067 + ... + 10274.

Almost surely, 2^20248464 is an apocalyptic number.

20248464 is a gapful number since it is divisible by the number (24) formed by its first and last digit.

It is an amenable number.

20248464 is an abundant number, since it is smaller than the sum of its proper divisors (34337328).

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

20248464 is a wasteful number, since it uses less digits than its factorization.

20248464 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 18375 (or 18369 counting only the distinct ones).

The product of its (nonzero) digits is 12288, while the sum is 30.

The square root of 20248464 is about 4499.8293300969. The cubic root of 20248464 is about 272.5611971525.

The spelling of 20248464 in words is "twenty million, two hundred forty-eight thousand, four hundred sixty-four".