20411424032 has 48 divisors (see below), whose sum is σ = 41819924160. Its totient is φ = 9794711808.

The previous prime is 20411424031. The next prime is 20411424071. The reversal of 20411424032 is 23042411402.

It is a junction number, because it is equal to n+sod(n) for n = 20411423989 and 20411424007.

It is not an unprimeable number, because it can be changed into a prime (20411424031) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 89123 + ... + 220829.

It is an arithmetic number, because the mean of its divisors is an integer number (871248420).

Almost surely, 2^20411424032 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 20411424032, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (20909962080).

20411424032 is an abundant number, since it is smaller than the sum of its proper divisors (21408500128).

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

20411424032 is a wasteful number, since it uses less digits than its factorization.

20411424032 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 131913 (or 131905 counting only the distinct ones).

The product of its (nonzero) digits is 1536, while the sum is 23.

Adding to 20411424032 its reverse (23042411402), we get a palindrome (43453835434).

The spelling of 20411424032 in words is "twenty billion, four hundred eleven million, four hundred twenty-four thousand, thirty-two".