20440002104 has 8 divisors (see below), whose sum is σ = 38325003960. Its totient is φ = 10220001048.

The previous prime is 20440002103. The next prime is 20440002113. The reversal of 20440002104 is 40120004402.

It is a tau number, because it is divible by the number of its divisors (8).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20440002103) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1277500124 + ... + 1277500139.

It is an arithmetic number, because the mean of its divisors is an integer number (4790625495).

Almost surely, 2^20440002104 is an apocalyptic number.

It is an amenable number.

20440002104 is a deficient number, since it is larger than the sum of its proper divisors (17885001856).

20440002104 is a wasteful number, since it uses less digits than its factorization.

20440002104 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2555000269 (or 2555000265 counting only the distinct ones).

The product of its (nonzero) digits is 256, while the sum is 17.

Adding to 20440002104 its reverse (40120004402), we get a palindrome (60560006506).

The spelling of 20440002104 in words is "twenty billion, four hundred forty million, two thousand, one hundred four".