20413404330 has 64 divisors (see below), whose sum is σ = 56589902208. Its totient is φ = 4657602560.

The previous prime is 20413404301. The next prime is 20413404343. The reversal of 20413404330 is 3340431402.

It is a self number, because there is not a number n which added to its sum of digits gives 20413404330.

It is an unprimeable number.

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 31 ways as a sum of consecutive naturals, for example, 1813767 + ... + 1824986.

It is an arithmetic number, because the mean of its divisors is an integer number (884217222).

Almost surely, 2^20413404330 is an apocalyptic number.

20413404330 is an abundant number, since it is smaller than the sum of its proper divisors (36176497878).

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

20413404330 is a wasteful number, since it uses less digits than its factorization.

20413404330 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3638791.

The product of its (nonzero) digits is 3456, while the sum is 24.

Adding to 20413404330 its reverse (3340431402), we get a palindrome (23753835732).

The spelling of 20413404330 in words is "twenty billion, four hundred thirteen million, four hundred four thousand, three hundred thirty".