20411004024 has 40 divisors (see below), whose sum is σ = 57169712160. Its totient is φ = 6803667792.

The previous prime is 20411004023. The next prime is 20411004041. The reversal of 20411004024 is 42040011402.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a junction number, because it is equal to n+sod(n) for n = 20411003988 and 20411004006.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20411004023) by changing a digit.

It is a polite number, since it can be written in 9 ways as a sum of consecutive naturals, for example, 15748584 + ... + 15749879.

It is an arithmetic number, because the mean of its divisors is an integer number (1429242804).

Almost surely, 2^20411004024 is an apocalyptic number.

20411004024 is a gapful number since it is divisible by the number (24) formed by its first and last digit.

It is an amenable number.

20411004024 is an abundant number, since it is smaller than the sum of its proper divisors (36758708136).

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

20411004024 is a wasteful number, since it uses less digits than its factorization.

20411004024 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 31498481 (or 31498468 counting only the distinct ones).

The product of its (nonzero) digits is 256, while the sum is 18.

Adding to 20411004024 its reverse (42040011402), we get a palindrome (62451015426).

The spelling of 20411004024 in words is "twenty billion, four hundred eleven million, four thousand, twenty-four".