20043060612637 has 16 divisors (see below), whose sum is σ = 20519320464000. Its totient is φ = 19572831201280.

The previous prime is 20043060612629. The next prime is 20043060612691. The reversal of 20043060612637 is 73621606034002.

It is a cyclic number.

It is not a de Polignac number, because 20043060612637 - 2³ = 20043060612629 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 20043060612637.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20043060612937) 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, 2072814 + ... + 6662032.

It is an arithmetic number, because the mean of its divisors is an integer number (1282457529000).

Almost surely, 2^{20043060612637} is an apocalyptic number.

It is an amenable number.

20043060612637 is a deficient number, since it is larger than the sum of its proper divisors (476259851363).

20043060612637 is a wasteful number, since it uses less digits than its factorization.

20043060612637 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4589876.

The product of its (nonzero) digits is 217728, while the sum is 40.

Adding to 20043060612637 its reverse (73621606034002), we get a palindrome (93664666646639).

The spelling of 20043060612637 in words is "twenty trillion, forty-three billion, sixty million, six hundred twelve thousand, six hundred thirty-seven".