20240424220 has 48 divisors (see below), whose sum is σ = 43527052800. Its totient is φ = 7901764416.

The previous prime is 20240424209. The next prime is 20240424293. The reversal of 20240424220 is 2242404202.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 20240424191 and 20240424200.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1194729 + ... + 1211551.

It is an arithmetic number, because the mean of its divisors is an integer number (906813600).

Almost surely, 2^20240424220 is an apocalyptic number.

20240424220 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 20240424220, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (21763526400).

20240424220 is an abundant number, since it is smaller than the sum of its proper divisors (23286628580).

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

20240424220 is a wasteful number, since it uses less digits than its factorization.

20240424220 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 18274 (or 18272 counting only the distinct ones).

The product of its (nonzero) digits is 2048, while the sum is 22.

Adding to 20240424220 its reverse (2242404202), we get a palindrome (22482828422).

The spelling of 20240424220 in words is "twenty billion, two hundred forty million, four hundred twenty-four thousand, two hundred twenty".