20020224040004 has 24 divisors (see below), whose sum is σ = 35051896040448. Its totient is φ = 10005396998400.

The previous prime is 20020224039941. The next prime is 20020224040007. The reversal of 20020224040004 is 40004042202002.

It is a super-2 number, since 2×20020224040004² (a number of 27 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (20020224040007) 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, 312622772 + ... + 312686804.

It is an arithmetic number, because the mean of its divisors is an integer number (1460495668352).

Almost surely, 2^{20020224040004} is an apocalyptic number.

It is an amenable number.

20020224040004 is a deficient number, since it is larger than the sum of its proper divisors (15031672000444).

20020224040004 is a wasteful number, since it uses less digits than its factorization.

20020224040004 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 99635 (or 99633 counting only the distinct ones).

The product of its (nonzero) digits is 1024, while the sum is 20.

Adding to 20020224040004 its reverse (40004042202002), we get a palindrome (60024266242006).

The spelling of 20020224040004 in words is "twenty trillion, twenty billion, two hundred twenty-four million, forty thousand, four".