20085133548357 has 12 divisors (see below), whose sum is σ = 30718439544780. Its totient is φ = 12602436736128.

The previous prime is 20085133548301. The next prime is 20085133548367. The reversal of 20085133548357 is 75384533158002.

20085133548357 is a `hidden beast` number, since 2 + 0 + 0 + 8 + 513 + 35 + 48 + 3 + 57 = 666.

It can be written as a sum of positive squares in 2 ways, for example, as 17798281877601 + 2286851670756 = 4218801^2 + 1512234^2 .

It is not a de Polignac number, because 20085133548357 - 2⁷ = 20085133548229 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20085133548367) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 65637691182 + ... + 65637691487.

It is an arithmetic number, because the mean of its divisors is an integer number (2559869962065).

Almost surely, 2^{20085133548357} is an apocalyptic number.

It is an amenable number.

20085133548357 is a deficient number, since it is larger than the sum of its proper divisors (10633305996423).

20085133548357 is a wasteful number, since it uses less digits than its factorization.

20085133548357 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 131275382692 (or 131275382689 counting only the distinct ones).

The product of its (nonzero) digits is 12096000, while the sum is 54.

The spelling of 20085133548357 in words is "twenty trillion, eighty-five billion, one hundred thirty-three million, five hundred forty-eight thousand, three hundred fifty-seven".