20441332020 has 96 divisors (see below), whose sum is σ = 60319486080. Its totient is φ = 5158010880.

The previous prime is 20441332013. The next prime is 20441332069. The reversal of 20441332020 is 2023314402.

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 31 ways as a sum of consecutive naturals, for example, 994164 + ... + 1014516.

It is an arithmetic number, because the mean of its divisors is an integer number (628327980).

Almost surely, 2^20441332020 is an apocalyptic number.

20441332020 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 20441332020, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (30159743040).

20441332020 is an abundant number, since it is smaller than the sum of its proper divisors (39878154060).

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

20441332020 is a wasteful number, since it uses less digits than its factorization.

20441332020 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 21265 (or 21263 counting only the distinct ones).

The product of its (nonzero) digits is 1152, while the sum is 21.

Adding to 20441332020 its reverse (2023314402), we get a palindrome (22464646422).

The spelling of 20441332020 in words is "twenty billion, four hundred forty-one million, three hundred thirty-two thousand, twenty".