20135040157635 has 64 divisors (see below), whose sum is σ = 37118927569920. Its totient is φ = 9236967943680.

The previous prime is 20135040157627. The next prime is 20135040157667. The reversal of 20135040157635 is 53675104053102.

It is not a de Polignac number, because 20135040157635 - 2³ = 20135040157627 is a prime.

It is an unprimeable number.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 44319559 + ... + 44771568.

It is an arithmetic number, because the mean of its divisors is an integer number (579983243280).

Almost surely, 2^{20135040157635} is an apocalyptic number.

20135040157635 is a deficient number, since it is larger than the sum of its proper divisors (16983887412285).

20135040157635 is a wasteful number, since it uses less digits than its factorization.

20135040157635 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 89091228.

The product of its (nonzero) digits is 378000, while the sum is 42.

The spelling of 20135040157635 in words is "twenty trillion, one hundred thirty-five billion, forty million, one hundred fifty-seven thousand, six hundred thirty-five".