20440003514 has 8 divisors (see below), whose sum is σ = 35040006048. Its totient is φ = 8760001500.

The previous prime is 20440003487. The next prime is 20440003523. The reversal of 20440003514 is 41530004402.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a self number, because there is not a number n which added to its sum of digits gives 20440003514.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 730000112 + ... + 730000139.

It is an arithmetic number, because the mean of its divisors is an integer number (4380000756).

Almost surely, 2^20440003514 is an apocalyptic number.

20440003514 is a deficient number, since it is larger than the sum of its proper divisors (14600002534).

20440003514 is a wasteful number, since it uses less digits than its factorization.

20440003514 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1460000260.

The product of its (nonzero) digits is 1920, while the sum is 23.

Adding to 20440003514 its reverse (41530004402), we get a palindrome (61970007916).

The spelling of 20440003514 in words is "twenty billion, four hundred forty million, three thousand, five hundred fourteen".