24947020 has 48 divisors (see below), whose sum is σ = 60717888. Its totient is φ = 8432640.

The previous prime is 24947017. The next prime is 24947023. The reversal of 24947020 is 2074942.

It is an interprime number because it is at equal distance from previous prime (24947017) and next prime (24947023).

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

It is a self number, because there is not a number n which added to its sum of digits gives 24947020.

It is not an unprimeable number, because it can be changed into a prime (24947023) by changing a digit.

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 15 ways as a sum of consecutive naturals, for example, 9000 + ... + 11440.

It is an arithmetic number, because the mean of its divisors is an integer number (1264956).

Almost surely, 2^24947020 is an apocalyptic number.

24947020 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 24947020, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (30358944).

24947020 is an abundant number, since it is smaller than the sum of its proper divisors (35770868).

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

24947020 is a wasteful number, since it uses less digits than its factorization.

24947020 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2530 (or 2528 counting only the distinct ones).

The product of its (nonzero) digits is 4032, while the sum is 28.

The square root of 24947020 is about 4994.6991901415. The cubic root of 24947020 is about 292.1950751275.

The spelling of 24947020 in words is "twenty-four million, nine hundred forty-seven thousand, twenty".