20024442400 has 72 divisors (see below), whose sum is σ = 49573327104. Its totient is φ = 7896940800.

The previous prime is 20024442397. The next prime is 20024442407. The reversal of 20024442400 is 424442002.

It is not an unprimeable number, because it can be changed into a prime (20024442407) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 119472 + ... + 233071.

It is an arithmetic number, because the mean of its divisors is an integer number (688518432).

Almost surely, 2^20024442400 is an apocalyptic number.

20024442400 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

20024442400 is an abundant number, since it is smaller than the sum of its proper divisors (29548884704).

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

20024442400 is a wasteful number, since it uses less digits than its factorization.

20024442400 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 352634 (or 352621 counting only the distinct ones).

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

Adding to 20024442400 its reverse (424442002), we get a palindrome (20448884402).

The spelling of 20024442400 in words is "twenty billion, twenty-four million, four hundred forty-two thousand, four hundred".