20104444430 has 32 divisors (see below), whose sum is σ = 41407842816. Its totient is φ = 6884597664.

The previous prime is 20104444429. The next prime is 20104444453. The reversal of 20104444430 is 3444440102.

It is a happy number.

It is a self number, because there is not a number n which added to its sum of digits gives 20104444430.

It is a congruent number.

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 15 ways as a sum of consecutive naturals, for example, 115754 + ... + 231533.

It is an arithmetic number, because the mean of its divisors is an integer number (1293995088).

Almost surely, 2^20104444430 is an apocalyptic number.

20104444430 is an abundant number, since it is smaller than the sum of its proper divisors (21303398386).

20104444430 is a wasteful number, since it uses less digits than its factorization.

20104444430 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 348128.

The product of its (nonzero) digits is 6144, while the sum is 26.

Adding to 20104444430 its reverse (3444440102), we get a palindrome (23548884532).

The spelling of 20104444430 in words is "twenty billion, one hundred four million, four hundred forty-four thousand, four hundred thirty".