20110020320 has 48 divisors (see below), whose sum is σ = 51164537760. Its totient is φ = 7425237504.

The previous prime is 20110020317. The next prime is 20110020373. The reversal of 20110020320 is 2302001102.

It is a happy number.

It is a congruent number.

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 7 ways as a sum of consecutive naturals, for example, 4832060 + ... + 4836219.

It is an arithmetic number, because the mean of its divisors is an integer number (1065927870).

Almost surely, 2^20110020320 is an apocalyptic number.

20110020320 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

20110020320 is an abundant number, since it is smaller than the sum of its proper divisors (31054517440).

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

20110020320 is a wasteful number, since it uses less digits than its factorization.

20110020320 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9668307 (or 9668299 counting only the distinct ones).

The product of its (nonzero) digits is 24, while the sum is 11.

Adding to 20110020320 its reverse (2302001102), we get a palindrome (22412021422).

The spelling of 20110020320 in words is "twenty billion, one hundred ten million, twenty thousand, three hundred twenty".