20024490408 has 32 divisors (see below), whose sum is σ = 53912090400. Its totient is φ = 6161381568.

The previous prime is 20024490407. The next prime is 20024490413. The reversal of 20024490408 is 80409442002.

It is a super-2 number, since 2×20024490408² (a number of 21 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (20024490407) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 32090218 + ... + 32090841.

It is an arithmetic number, because the mean of its divisors is an integer number (1684752825).

Almost surely, 2^20024490408 is an apocalyptic number.

It is an amenable number.

20024490408 is an abundant number, since it is smaller than the sum of its proper divisors (33887599992).

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

20024490408 is a wasteful number, since it uses less digits than its factorization.

20024490408 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 64181081 (or 64181077 counting only the distinct ones).

The product of its (nonzero) digits is 18432, while the sum is 33.

The spelling of 20024490408 in words is "twenty billion, twenty-four million, four hundred ninety thousand, four hundred eight".