20035134505413 has 48 divisors (see below), whose sum is σ = 30837913666560. Its totient is φ = 12991546142064.

The previous prime is 20035134505403. The next prime is 20035134505447. The reversal of 20035134505413 is 31450543153002.

20035134505413 is a `hidden beast` number, since 2 + 0 + 0 + 3 + 5 + 134 + 505 + 4 + 13 = 666.

It is not a de Polignac number, because 20035134505413 - 2⁹ = 20035134504901 is a prime.

It is a super-2 number, since 2×20035134505413² (a number of 27 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20035134505403) 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 47 ways as a sum of consecutive naturals, for example, 1514031 + ... + 6508652.

It is an arithmetic number, because the mean of its divisors is an integer number (642456534720).

Almost surely, 2^{20035134505413} is an apocalyptic number.

It is an amenable number.

20035134505413 is a deficient number, since it is larger than the sum of its proper divisors (10802779161147).

20035134505413 is an equidigital number, since it uses as much as digits as its factorization.

20035134505413 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8022980 (or 8022968 counting only the distinct ones).

The product of its (nonzero) digits is 108000, while the sum is 36.

Adding to 20035134505413 its reverse (31450543153002), we get a palindrome (51485677658415).

The spelling of 20035134505413 in words is "twenty trillion, thirty-five billion, one hundred thirty-four million, five hundred five thousand, four hundred thirteen".