20104442434 has 32 divisors (see below), whose sum is σ = 30935520000. Its totient is φ = 9796719744.

The previous prime is 20104442429. The next prime is 20104442441. The reversal of 20104442434 is 43424440102.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 4322142 + ... + 4326790.

It is an arithmetic number, because the mean of its divisors is an integer number (966735000).

Almost surely, 2^20104442434 is an apocalyptic number.

20104442434 is a deficient number, since it is larger than the sum of its proper divisors (10831077566).

20104442434 is a wasteful number, since it uses less digits than its factorization.

20104442434 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5082.

The product of its (nonzero) digits is 12288, while the sum is 28.

Adding to 20104442434 its reverse (43424440102), we get a palindrome (63528882536).

It can be divided in two parts, 2010 and 4442434, that added together give a palindrome (4444444).

The spelling of 20104442434 in words is "twenty billion, one hundred four million, four hundred forty-two thousand, four hundred thirty-four".