20052104135 has 16 divisors (see below), whose sum is σ = 28061256000. Its totient is φ = 13750013088.

The previous prime is 20052104123. The next prime is 20052104153. The reversal of 20052104135 is 53140125002.

It is not a de Polignac number, because 20052104135 - 2¹⁰ = 20052103111 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 20052104135.

It is a congruent number.

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 15 ways as a sum of consecutive naturals, for example, 5844380 + ... + 5847809.

It is an arithmetic number, because the mean of its divisors is an integer number (1753828500).

Almost surely, 2^20052104135 is an apocalyptic number.

20052104135 is a deficient number, since it is larger than the sum of its proper divisors (8009151865).

20052104135 is an equidigital number, since it uses as much as digits as its factorization.

20052104135 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11692215 (or 11692201 counting only the distinct ones).

The product of its (nonzero) digits is 1200, while the sum is 23.

Adding to 20052104135 its reverse (53140125002), we get a palindrome (73192229137).

The spelling of 20052104135 in words is "twenty billion, fifty-two million, one hundred four thousand, one hundred thirty-five".