20440024260 has 48 divisors (see below), whose sum is σ = 57260616000. Its totient is φ = 5447954304.

The previous prime is 20440024259. The next prime is 20440024301. The reversal of 20440024260 is 6242004402.

It is a self number, because there is not a number n which added to its sum of digits gives 20440024260.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 37791 + ... + 205689.

It is an arithmetic number, because the mean of its divisors is an integer number (1192929500).

Almost surely, 2^20440024260 is an apocalyptic number.

20440024260 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

20440024260 is an abundant number, since it is smaller than the sum of its proper divisors (36820591740).

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

20440024260 is a wasteful number, since it uses less digits than its factorization.

20440024260 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 169940 (or 169938 counting only the distinct ones).

The product of its (nonzero) digits is 3072, while the sum is 24.

Adding to 20440024260 its reverse (6242004402), we get a palindrome (26682028662).

The spelling of 20440024260 in words is "twenty billion, four hundred forty million, twenty-four thousand, two hundred sixty".