20424043230 has 32 divisors (see below), whose sum is σ = 49608284544. Its totient is φ = 5380791456.

The previous prime is 20424043229. The next prime is 20424043231. The reversal of 20424043230 is 3234042402.

It is an interprime number because it is at equal distance from previous prime (20424043229) and next prime (20424043231).

It is a self number, because there is not a number n which added to its sum of digits gives 20424043230.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20424043231) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 4098724 + ... + 4103703.

It is an arithmetic number, because the mean of its divisors is an integer number (1550258892).

Almost surely, 2^20424043230 is an apocalyptic number.

20424043230 is an abundant number, since it is smaller than the sum of its proper divisors (29184241314).

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

20424043230 is a wasteful number, since it uses less digits than its factorization.

20424043230 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8202520.

The product of its (nonzero) digits is 4608, while the sum is 24.

Adding to 20424043230 its reverse (3234042402), we get a palindrome (23658085632).

The spelling of 20424043230 in words is "twenty billion, four hundred twenty-four million, forty-three thousand, two hundred thirty".