20135634703574 has 32 divisors (see below), whose sum is σ = 32568761576736. Its totient is φ = 9281381114880.

The previous prime is 20135634703559. The next prime is 20135634703577. The reversal of 20135634703574 is 47530743653102.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20135634703577) 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, 334132454 + ... + 334192710.

It is an arithmetic number, because the mean of its divisors is an integer number (1017773799273).

Almost surely, 2^{20135634703574} is an apocalyptic number.

20135634703574 is a deficient number, since it is larger than the sum of its proper divisors (12433126873162).

20135634703574 is a wasteful number, since it uses less digits than its factorization.

20135634703574 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 76640.

The product of its (nonzero) digits is 6350400, while the sum is 50.

The spelling of 20135634703574 in words is "twenty trillion, one hundred thirty-five billion, six hundred thirty-four million, seven hundred three thousand, five hundred seventy-four".