20330024420 has 24 divisors (see below), whose sum is σ = 42785280384. Its totient is φ = 8114442336.

The previous prime is 20330024411. The next prime is 20330024501. The reversal of 20330024420 is 2442003302.

It is a Harshad number since it is a multiple of its sum of digits (20).

It is a junction number, because it is equal to n+sod(n) for n = 20330024392 and 20330024401.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1088474 + ... + 1106993.

It is an arithmetic number, because the mean of its divisors is an integer number (1782720016).

Almost surely, 2^20330024420 is an apocalyptic number.

20330024420 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

20330024420 is an abundant number, since it is smaller than the sum of its proper divisors (22455255964).

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

20330024420 is a wasteful number, since it uses less digits than its factorization.

20330024420 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2195939 (or 2195937 counting only the distinct ones).

The product of its (nonzero) digits is 1152, while the sum is 20.

Adding to 20330024420 its reverse (2442003302), we get a palindrome (22772027722).

The spelling of 20330024420 in words is "twenty billion, three hundred thirty million, twenty-four thousand, four hundred twenty".