20936501008583 has 8 divisors (see below), whose sum is σ = 21452138746080. Its totient is φ = 20421100955520.

The previous prime is 20936501008573. The next prime is 20936501008597. The reversal of 20936501008583 is 38580010563902.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 20936501008583 - 2⁸ = 20936501008327 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20936501008573) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 59242763 + ... + 59595116.

It is an arithmetic number, because the mean of its divisors is an integer number (2681517343260).

Almost surely, 2^{20936501008583} is an apocalyptic number.

20936501008583 is a deficient number, since it is larger than the sum of its proper divisors (515637737497).

20936501008583 is a wasteful number, since it uses less digits than its factorization.

20936501008583 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 118842217.

The product of its (nonzero) digits is 1555200, while the sum is 50.

The spelling of 20936501008583 in words is "twenty trillion, nine hundred thirty-six billion, five hundred one million, eight thousand, five hundred eighty-three".