20024444121 has 32 divisors (see below), whose sum is σ = 29820510720. Its totient is φ = 11847158400.

The previous prime is 20024444093. The next prime is 20024444149. The reversal of 20024444121 is 12144442002.

It is an interprime number because it is at equal distance from previous prime (20024444093) and next prime (20024444149).

It is not a de Polignac number, because 20024444121 - 2⁶ = 20024444057 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 20024444091 and 20024444100.

It is not an unprimeable number, because it can be changed into a prime (20024444171) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 3869866 + ... + 3875036.

It is an arithmetic number, because the mean of its divisors is an integer number (931890960).

Almost surely, 2^20024444121 is an apocalyptic number.

It is an amenable number.

20024444121 is a deficient number, since it is larger than the sum of its proper divisors (9796066599).

20024444121 is a wasteful number, since it uses less digits than its factorization.

20024444121 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7957.

The product of its (nonzero) digits is 2048, while the sum is 24.

Adding to 20024444121 its reverse (12144442002), we get a palindrome (32168886123).

The spelling of 20024444121 in words is "twenty billion, twenty-four million, four hundred forty-four thousand, one hundred twenty-one".