20024434144 has 72 divisors (see below), whose sum is σ = 46569873672. Its totient is φ = 8401835520.

The previous prime is 20024434139. The next prime is 20024434163. The reversal of 20024434144 is 44143442002.

It is a super-3 number, since 3×20024434144³ (a number of 32 digits) contains 333 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 108819 + ... + 227794.

It is an arithmetic number, because the mean of its divisors is an integer number (646803801).

Almost surely, 2^20024434144 is an apocalyptic number.

It is an amenable number.

20024434144 is an abundant number, since it is smaller than the sum of its proper divisors (26545439528).

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

20024434144 is a wasteful number, since it uses less digits than its factorization.

20024434144 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 336660 (or 336639 counting only the distinct ones).

The product of its (nonzero) digits is 12288, while the sum is 28.

Adding to 20024434144 its reverse (44143442002), we get a palindrome (64167876146).

The spelling of 20024434144 in words is "twenty billion, twenty-four million, four hundred thirty-four thousand, one hundred forty-four".