20136546234562 has 4 divisors (see below), whose sum is σ = 30204819351846. Its totient is φ = 10068273117280.

The previous prime is 20136546234551. The next prime is 20136546234589. The reversal of 20136546234562 is 26543264563102.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 19342324836081 + 794221398481 = 4397991^2 + 891191^2 .

It is a Smith number, since the sum of its digits (49) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5034136558639 + ... + 5034136558642.

Almost surely, 2^{20136546234562} is an apocalyptic number.

20136546234562 is a deficient number, since it is larger than the sum of its proper divisors (10068273117284).

20136546234562 is a wasteful number, since it uses less digits than its factorization.

20136546234562 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10068273117283.

The product of its (nonzero) digits is 6220800, while the sum is 49.

The spelling of 20136546234562 in words is "twenty trillion, one hundred thirty-six billion, five hundred forty-six million, two hundred thirty-four thousand, five hundred sixty-two".