24020420 has 12 divisors (see below), whose sum is σ = 50442924. Its totient is φ = 9608160.

The previous prime is 24020417. The next prime is 24020429. The reversal of 24020420 is 2402042.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 5080516 + 18939904 = 2254^2 + 4352^2 .

It is a hoax number, since the sum of its digits (14) coincides with the sum of the digits of its distinct prime factors.

It is a junction number, because it is equal to n+sod(n) for n = 24020395 and 24020404.

It is not an unprimeable number, because it can be changed into a prime (24020429) 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, 600491 + ... + 600530.

It is an arithmetic number, because the mean of its divisors is an integer number (4203577).

Almost surely, 2^24020420 is an apocalyptic number.

24020420 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

24020420 is an abundant number, since it is smaller than the sum of its proper divisors (26422504).

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

24020420 is a wasteful number, since it uses less digits than its factorization.

24020420 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1201030 (or 1201028 counting only the distinct ones).

The product of its (nonzero) digits is 128, while the sum is 14.

The square root of 24020420 is about 4901.0631499706. The cubic root of 24020420 is about 288.5316984715.

Adding to 24020420 its reverse (2402042), we get a palindrome (26422462).

The spelling of 24020420 in words is "twenty-four million, twenty thousand, four hundred twenty".