20411033344 has 144 divisors (see below), whose sum is σ = 46146733920. Its totient is φ = 8943943680.

The previous prime is 20411033341. The next prime is 20411033371. The reversal of 20411033344 is 44333011402.

It is a super-2 number, since 2×20411033344² (a number of 21 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20411033341) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 5885499 + ... + 5888965.

It is an arithmetic number, because the mean of its divisors is an integer number (320463430).

Almost surely, 2^20411033344 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 20411033344, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (23073366960).

20411033344 is an abundant number, since it is smaller than the sum of its proper divisors (25735700576).

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

20411033344 is a wasteful number, since it uses less digits than its factorization.

20411033344 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3586 (or 3572 counting only the distinct ones).

The product of its (nonzero) digits is 3456, while the sum is 25.

Adding to 20411033344 its reverse (44333011402), we get a palindrome (64744044746).

The spelling of 20411033344 in words is "twenty billion, four hundred eleven million, thirty-three thousand, three hundred forty-four".