20104113530 has 16 divisors (see below), whose sum is σ = 36189024264. Its totient is φ = 8041285440.

The previous prime is 20104113527. The next prime is 20104113551. The reversal of 20104113530 is 3531140102.

It can be written as a sum of positive squares in 4 ways, for example, as 17330932609 + 2773180921 = 131647^2 + 52661^2 .

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 387740 + ... + 436520.

Almost surely, 2^20104113530 is an apocalyptic number.

20104113530 is a deficient number, since it is larger than the sum of its proper divisors (16084910734).

20104113530 is a wasteful number, since it uses less digits than its factorization.

20104113530 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 90001.

The product of its (nonzero) digits is 360, while the sum is 20.

Adding to 20104113530 its reverse (3531140102), we get a palindrome (23635253632).

The spelling of 20104113530 in words is "twenty billion, one hundred four million, one hundred thirteen thousand, five hundred thirty".