20248328 has 16 divisors (see below), whose sum is σ = 38610000. Its totient is φ = 9952336.

The previous prime is 20248321. The next prime is 20248337. The reversal of 20248328 is 82384202.

It is a self number, because there is not a number n which added to its sum of digits gives 20248328.

It is not an unprimeable number, because it can be changed into a prime (20248321) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 20978 + ... + 21921.

It is an arithmetic number, because the mean of its divisors is an integer number (2413125).

Almost surely, 2^20248328 is an apocalyptic number.

It is an amenable number.

20248328 is a deficient number, since it is larger than the sum of its proper divisors (18361672).

20248328 is a wasteful number, since it uses less digits than its factorization.

20248328 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 42964 (or 42960 counting only the distinct ones).

The product of its (nonzero) digits is 6144, while the sum is 29.

The square root of 20248328 is about 4499.8142183872. The cubic root of 20248328 is about 272.5605869267.

The spelling of 20248328 in words is "twenty million, two hundred forty-eight thousand, three hundred twenty-eight".