20441423120 has 20 divisors (see below), whose sum is σ = 47526308940. Its totient is φ = 8176569216.

The previous prime is 20441423083. The next prime is 20441423129. The reversal of 20441423120 is 2132414402.

It can be written as a sum of positive squares in 2 ways, for example, as 7449070864 + 12992352256 = 86308^2 + 113984^2 .

It is a tau number, because it is divible by the number of its divisors (20).

It is not an unprimeable number, because it can be changed into a prime (20441423129) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 127758815 + ... + 127758974.

It is an arithmetic number, because the mean of its divisors is an integer number (2376315447).

Almost surely, 2^20441423120 is an apocalyptic number.

20441423120 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

20441423120 is an abundant number, since it is smaller than the sum of its proper divisors (27084885820).

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

20441423120 is a wasteful number, since it uses less digits than its factorization.

20441423120 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 255517802 (or 255517796 counting only the distinct ones).

The product of its (nonzero) digits is 1536, while the sum is 23.

Adding to 20441423120 its reverse (2132414402), we get a palindrome (22573837522).

The spelling of 20441423120 in words is "twenty billion, four hundred forty-one million, four hundred twenty-three thousand, one hundred twenty".