20241928 has 16 divisors (see below), whose sum is σ = 43375680. Its totient is φ = 8675088.

The previous prime is 20241899. The next prime is 20241929. The reversal of 20241928 is 82914202.

It is a Harshad number since it is a multiple of its sum of digits (28).

It is a junction number, because it is equal to n+sod(n) for n = 20241896 and 20241905.

It is not an unprimeable number, because it can be changed into a prime (20241929) by changing a digit.

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 3 ways as a sum of consecutive naturals, for example, 180676 + ... + 180787.

It is an arithmetic number, because the mean of its divisors is an integer number (2710980).

Almost surely, 2^20241928 is an apocalyptic number.

20241928 is a gapful number since it is divisible by the number (28) formed by its first and last digit.

It is an amenable number.

20241928 is an abundant number, since it is smaller than the sum of its proper divisors (23133752).

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

20241928 is a wasteful number, since it uses less digits than its factorization.

20241928 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 361476 (or 361472 counting only the distinct ones).

The product of its (nonzero) digits is 2304, while the sum is 28.

The square root of 20241928 is about 4499.1030217144. The cubic root of 20241928 is about 272.5318673278.

The spelling of 20241928 in words is "twenty million, two hundred forty-one thousand, nine hundred twenty-eight".