20058721763085 has 112 divisors (see below), whose sum is σ = 36392478386544. Its totient is φ = 10608436740096.

The previous prime is 20058721763021. The next prime is 20058721763117. The reversal of 20058721763085 is 58036712785002.

20058721763085 is a `hidden beast` number, since 2 + 0 + 0 + 587 + 21 + 7 + 6 + 30 + 8 + 5 = 666.

It can be written as a sum of positive squares in 8 ways, for example, as 2530256499684 + 17528465263401 = 1590678^2 + 4186701^2 .

It is not a de Polignac number, because 20058721763085 - 2⁶ = 20058721763021 is a prime.

It is a super-5 number, since 5×20058721763085⁵ (a number of 68 digits) contains 55555 as substring.

It is a hoax number, since the sum of its digits (54) coincides with the sum of the digits of its distinct prime factors.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 111 ways as a sum of consecutive naturals, for example, 220145257 + ... + 220236353.

It is an arithmetic number, because the mean of its divisors is an integer number (324932842737).

Almost surely, 2^{20058721763085} is an apocalyptic number.

It is an amenable number.

20058721763085 is a deficient number, since it is larger than the sum of its proper divisors (16333756623459).

20058721763085 is an equidigital number, since it uses as much as digits as its factorization.

20058721763085 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 91626 (or 91611 counting only the distinct ones).

The product of its (nonzero) digits is 5644800, while the sum is 54.

The spelling of 20058721763085 in words is "twenty trillion, fifty-eight billion, seven hundred twenty-one million, seven hundred sixty-three thousand, eighty-five".