20411411120 has 80 divisors (see below), whose sum is σ = 49213070400. Its totient is φ = 7866657792.

The previous prime is 20411411101. The next prime is 20411411129. The reversal of 20411411120 is 2111411402.

It is a tau number, because it is divible by the number of its divisors (80).

It is not an unprimeable number, because it can be changed into a prime (20411411129) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 271406 + ... + 338354.

It is an arithmetic number, because the mean of its divisors is an integer number (615163380).

Almost surely, 2^20411411120 is an apocalyptic number.

20411411120 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 20411411120, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (24606535200).

20411411120 is an abundant number, since it is smaller than the sum of its proper divisors (28801659280).

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

20411411120 is a wasteful number, since it uses less digits than its factorization.

20411411120 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 67102 (or 67096 counting only the distinct ones).

The product of its (nonzero) digits is 64, while the sum is 17.

Adding to 20411411120 its reverse (2111411402), we get a palindrome (22522822522).

The spelling of 20411411120 in words is "twenty billion, four hundred eleven million, four hundred eleven thousand, one hundred twenty".