7020035681 has 2 divisors, whose sum is σ = 7020035682. Its totient is φ = 7020035680.

The previous prime is 7020035657. The next prime is 7020035707. The reversal of 7020035681 is 1865300207.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 6615382225 + 404653456 = 81335^2 + 20116^2 .

It is a cyclic number.

It is not a de Polignac number, because 7020035681 - 2¹⁰ = 7020034657 is a prime.

It is a super-2 number, since 2×7020035681² = 98561801925026267522, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (7020035381) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3510017840 + 3510017841.

It is an arithmetic number, because the mean of its divisors is an integer number (3510017841).

Almost surely, 2^7020035681 is an apocalyptic number.

It is an amenable number.

7020035681 is a deficient number, since it is larger than the sum of its proper divisors (1).

7020035681 is an equidigital number, since it uses as much as digits as its factorization.

7020035681 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 10080, while the sum is 32.

The square root of 7020035681 is about 83785.6531931333. The cubic root of 7020035681 is about 1914.7545337285.

Adding to 7020035681 its reverse (1865300207), we get a palindrome (8885335888).

The spelling of 7020035681 in words is "seven billion, twenty million, thirty-five thousand, six hundred eighty-one".