24420220 has 36 divisors (see below), whose sum is σ = 56373912. Its totient is φ = 8879200.

The previous prime is 24420203. The next prime is 24420239. The reversal of 24420220 is 2202442.

It is a junction number, because it is equal to n+sod(n) for n = 24420194 and 24420203.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 2626 + ... + 7465.

It is an arithmetic number, because the mean of its divisors is an integer number (1565942).

Almost surely, 2^24420220 is an apocalyptic number.

24420220 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

24420220 is an abundant number, since it is smaller than the sum of its proper divisors (31953692).

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

24420220 is a wasteful number, since it uses less digits than its factorization.

24420220 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10122 (or 10109 counting only the distinct ones).

The product of its (nonzero) digits is 256, while the sum is 16.

The square root of 24420220 is about 4941.6818999203. The cubic root of 24420220 is about 290.1236888151.

Adding to 24420220 its reverse (2202442), we get a palindrome (26622662).

The spelling of 24420220 in words is "twenty-four million, four hundred twenty thousand, two hundred twenty".