36020681 has 2 divisors, whose sum is σ = 36020682. Its totient is φ = 36020680.

The previous prime is 36020653. The next prime is 36020687. The reversal of 36020681 is 18602063.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 35940025 + 80656 = 5995^2 + 284^2 .

It is a cyclic number.

It is not a de Polignac number, because 36020681 - 2¹⁰ = 36019657 is a prime.

It is a super-2 number, since 2×36020681² = 2594978919407522, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 36020681.

It is not a weakly prime, because it can be changed into another prime (36020687) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 18010340 + 18010341.

It is an arithmetic number, because the mean of its divisors is an integer number (18010341).

Almost surely, 2^36020681 is an apocalyptic number.

It is an amenable number.

36020681 is a deficient number, since it is larger than the sum of its proper divisors (1).

36020681 is an equidigital number, since it uses as much as digits as its factorization.

36020681 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1728, while the sum is 26.

The square root of 36020681 is about 6001.7231692240. The cubic root of 36020681 is about 330.2559416351.

The spelling of 36020681 in words is "thirty-six million, twenty thousand, six hundred eighty-one".