20444411003 has 8 divisors (see below), whose sum is σ = 20469962880. Its totient is φ = 20418877440.

The previous prime is 20444410997. The next prime is 20444411047. The reversal of 20444411003 is 30011444402.

It is a happy number.

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

It is a cyclic number.

It is not a de Polignac number, because 20444411003 - 2¹⁸ = 20444148859 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 20444411003.

It is not an unprimeable number, because it can be changed into a prime (20444419003) 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, 4595126 + ... + 4599572.

It is an arithmetic number, because the mean of its divisors is an integer number (2558745360).

Almost surely, 2^20444411003 is an apocalyptic number.

20444411003 is a deficient number, since it is larger than the sum of its proper divisors (25551877).

20444411003 is a wasteful number, since it uses less digits than its factorization.

20444411003 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9157.

The product of its (nonzero) digits is 1536, while the sum is 23.

Adding to 20444411003 its reverse (30011444402), we get a palindrome (50455855405).

The spelling of 20444411003 in words is "twenty billion, four hundred forty-four million, four hundred eleven thousand, three".