20334044020 has 12 divisors (see below), whose sum is σ = 42701492484. Its totient is φ = 8133617600.

The previous prime is 20334044011. The next prime is 20334044021. The reversal of 20334044020 is 2044043302.

It can be written as a sum of positive squares in 2 ways, for example, as 9395812624 + 10938231396 = 96932^2 + 104586^2 .

It is a junction number, because it is equal to n+sod(n) for n = 20334043982 and 20334044000.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20334044021) 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, 508351081 + ... + 508351120.

It is an arithmetic number, because the mean of its divisors is an integer number (3558457707).

Almost surely, 2^20334044020 is an apocalyptic number.

20334044020 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

20334044020 is an abundant number, since it is smaller than the sum of its proper divisors (22367448464).

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

20334044020 is a wasteful number, since it uses less digits than its factorization.

20334044020 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1016702210 (or 1016702208 counting only the distinct ones).

The product of its (nonzero) digits is 2304, while the sum is 22.

Adding to 20334044020 its reverse (2044043302), we get a palindrome (22378087322).

The spelling of 20334044020 in words is "twenty billion, three hundred thirty-four million, forty-four thousand, twenty".