24628220 has 12 divisors (see below), whose sum is σ = 51719304. Its totient is φ = 9851280.

The previous prime is 24628213. The next prime is 24628259. The reversal of 24628220 is 2282642.

It is a self number, because there is not a number n which added to its sum of digits gives 24628220.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 615686 + ... + 615725.

It is an arithmetic number, because the mean of its divisors is an integer number (4309942).

Almost surely, 2^24628220 is an apocalyptic number.

24628220 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

24628220 is an abundant number, since it is smaller than the sum of its proper divisors (27091084).

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

24628220 is a wasteful number, since it uses less digits than its factorization.

24628220 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1231420 (or 1231418 counting only the distinct ones).

The product of its (nonzero) digits is 3072, while the sum is 26.

The square root of 24628220 is about 4962.6827422272. The cubic root of 24628220 is about 290.9450737333.

The spelling of 24628220 in words is "twenty-four million, six hundred twenty-eight thousand, two hundred twenty".