20043335220 has 48 divisors (see below), whose sum is σ = 59075096640. Its totient is φ = 5063579136.

The previous prime is 20043335209. The next prime is 20043335233. The reversal of 20043335220 is 2253334002.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 8789797 + ... + 8792076.

It is an arithmetic number, because the mean of its divisors is an integer number (1230731180).

Almost surely, 2^20043335220 is an apocalyptic number.

20043335220 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

20043335220 is an abundant number, since it is smaller than the sum of its proper divisors (39031761420).

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

20043335220 is a wasteful number, since it uses less digits than its factorization.

20043335220 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 17581904 (or 17581902 counting only the distinct ones).

The product of its (nonzero) digits is 4320, while the sum is 24.

Adding to 20043335220 its reverse (2253334002), we get a palindrome (22296669222).

The spelling of 20043335220 in words is "twenty billion, forty-three million, three hundred thirty-five thousand, two hundred twenty".