20135034012604 has 48 divisors (see below), whose sum is σ = 41876799713280. Its totient is φ = 8288116482240.

The previous prime is 20135034012581. The next prime is 20135034012607. The reversal of 20135034012604 is 40621043053102.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20135034012607) by changing a digit.

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, 64758102 + ... + 65068285.

It is an arithmetic number, because the mean of its divisors is an integer number (872433327360).

Almost surely, 2^{20135034012604} is an apocalyptic number.

It is an amenable number.

20135034012604 is an abundant number, since it is smaller than the sum of its proper divisors (21741765700676).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

20135034012604 is a wasteful number, since it uses less digits than its factorization.

20135034012604 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 129826618 (or 129826616 counting only the distinct ones).

The product of its (nonzero) digits is 17280, while the sum is 31.

Adding to 20135034012604 its reverse (40621043053102), we get a palindrome (60756077065706).

The spelling of 20135034012604 in words is "twenty trillion, one hundred thirty-five billion, thirty-four million, twelve thousand, six hundred four".