20411041464 has 192 divisors, whose sum is σ = 62517312000. Its totient is φ = 5959215360.

The previous prime is 20411041397. The next prime is 20411041471. The reversal of 20411041464 is 46414011402.

It is a super-2 number, since 2×20411041464² (a number of 21 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 21107109 + ... + 21108075.

It is an arithmetic number, because the mean of its divisors is an integer number (325611000).

Almost surely, 2^20411041464 is an apocalyptic number.

20411041464 is a gapful number since it is divisible by the number (24) 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 20411041464, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (31258656000).

20411041464 is an abundant number, since it is smaller than the sum of its proper divisors (42106270536).

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

20411041464 is a wasteful number, since it uses less digits than its factorization.

20411041464 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1938 (or 1931 counting only the distinct ones).

The product of its (nonzero) digits is 3072, while the sum is 27.

Adding to 20411041464 its reverse (46414011402), we get a palindrome (66825052866).

The spelling of 20411041464 in words is "twenty billion, four hundred eleven million, forty-one thousand, four hundred sixty-four".