20334411240 has 192 divisors, whose sum is σ = 72062706240. Its totient is φ = 4550307840.

The previous prime is 20334411199. The next prime is 20334411241. The reversal of 20334411240 is 4211443302.

It is a Harshad number since it is a multiple of its sum of digits (24).

It is a self number, because there is not a number n which added to its sum of digits gives 20334411240.

It is not an unprimeable number, because it can be changed into a prime (20334411241) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 177504 + ... + 268656.

It is an arithmetic number, because the mean of its divisors is an integer number (375326595).

Almost surely, 2^20334411240 is an apocalyptic number.

20334411240 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 20334411240, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (36031353120).

20334411240 is an abundant number, since it is smaller than the sum of its proper divisors (51728295000).

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

20334411240 is a wasteful number, since it uses less digits than its factorization.

20334411240 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 91204 (or 91187 counting only the distinct ones).

The product of its (nonzero) digits is 2304, while the sum is 24.

Adding to 20334411240 its reverse (4211443302), we get a palindrome (24545854542).

It can be divided in two parts, 203 and 34411240, that added together give a palindrome (34411443).

The spelling of 20334411240 in words is "twenty billion, three hundred thirty-four million, four hundred eleven thousand, two hundred forty".