20135075757475 has 24 divisors (see below), whose sum is σ = 28716025825568. Its totient is φ = 13718966976000.

The previous prime is 20135075757473. The next prime is 20135075757481. The reversal of 20135075757475 is 57475757053102.

It is a happy number.

It is not a de Polignac number, because 20135075757475 - 2¹ = 20135075757473 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (20135075757473) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 366397926 + ... + 366452875.

Almost surely, 2^{20135075757475} is an apocalyptic number.

20135075757475 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

20135075757475 is a deficient number, since it is larger than the sum of its proper divisors (8580950068093).

20135075757475 is a wasteful number, since it uses less digits than its factorization.

20135075757475 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 732850975 (or 732850970 counting only the distinct ones).

The product of its (nonzero) digits is 36015000, while the sum is 58.

The spelling of 20135075757475 in words is "twenty trillion, one hundred thirty-five billion, seventy-five million, seven hundred fifty-seven thousand, four hundred seventy-five".