20004433320 has 64 divisors (see below), whose sum is σ = 61635294720. Its totient is φ = 5190338304.

The previous prime is 20004433259. The next prime is 20004433349. The reversal of 20004433320 is 2333440002.

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 15 ways as a sum of consecutive naturals, for example, 2248312 + ... + 2257191.

It is an arithmetic number, because the mean of its divisors is an integer number (963051480).

Almost surely, 2^20004433320 is an apocalyptic number.

20004433320 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

20004433320 is an abundant number, since it is smaller than the sum of its proper divisors (41630861400).

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

20004433320 is a wasteful number, since it uses less digits than its factorization.

20004433320 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4505554 (or 4505550 counting only the distinct ones).

The product of its (nonzero) digits is 1728, while the sum is 21.

Adding to 20004433320 its reverse (2333440002), we get a palindrome (22337873322).

The spelling of 20004433320 in words is "twenty billion, four million, four hundred thirty-three thousand, three hundred twenty".