20135672767534 has 16 divisors (see below), whose sum is σ = 30872936595456. Its totient is φ = 9845066119000.

The previous prime is 20135672767523. The next prime is 20135672767571. The reversal of 20135672767534 is 43576727653102.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 92945362 + ... + 93161749.

It is an arithmetic number, because the mean of its divisors is an integer number (1929558537216).

Almost surely, 2^{20135672767534} is an apocalyptic number.

20135672767534 is a deficient number, since it is larger than the sum of its proper divisors (10737263827922).

20135672767534 is a wasteful number, since it uses less digits than its factorization.

20135672767534 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 186108311.

The product of its (nonzero) digits is 44452800, while the sum is 58.

The spelling of 20135672767534 in words is "twenty trillion, one hundred thirty-five billion, six hundred seventy-two million, seven hundred sixty-seven thousand, five hundred thirty-four".