20411112424 has 16 divisors (see below), whose sum is σ = 40522061700. Its totient is φ = 9605229312.

The previous prime is 20411112391. The next prime is 20411112439. The reversal of 20411112424 is 42421111402.

It can be written as a sum of positive squares in 2 ways, for example, as 20027344324 + 383768100 = 141518^2 + 19590^2 .

It is a super-2 number, since 2×20411112424² (a number of 21 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 20411112395 and 20411112404.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 75040719 + ... + 75040990.

Almost surely, 2^20411112424 is an apocalyptic number.

It is an amenable number.

20411112424 is a deficient number, since it is larger than the sum of its proper divisors (20110949276).

20411112424 is a wasteful number, since it uses less digits than its factorization.

20411112424 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 150081732 (or 150081728 counting only the distinct ones).

The product of its (nonzero) digits is 512, while the sum is 22.

Adding to 20411112424 its reverse (42421111402), we get a palindrome (62832223826).

The spelling of 20411112424 in words is "twenty billion, four hundred eleven million, one hundred twelve thousand, four hundred twenty-four".