3202018081 has 4 divisors (see below), whose sum is σ = 3203151172. Its totient is φ = 3200884992.

The previous prime is 3202018019. The next prime is 3202018109. The reversal of 3202018081 is 1808102023.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 1160424225 + 2041593856 = 34065^2 + 45184^2 .

It is a cyclic number.

It is not a de Polignac number, because 3202018081 - 2⁷ = 3202017953 is a prime.

It is a super-2 number, since 2×3202018081² = 20505839582101845122, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (3202012081) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 562296 + ... + 567961.

It is an arithmetic number, because the mean of its divisors is an integer number (800787793).

Almost surely, 2^3202018081 is an apocalyptic number.

It is an amenable number.

3202018081 is a deficient number, since it is larger than the sum of its proper divisors (1133091).

3202018081 is a wasteful number, since it uses less digits than its factorization.

3202018081 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1133090.

The product of its (nonzero) digits is 768, while the sum is 25.

The square root of 3202018081 is about 56586.3771680075. The cubic root of 3202018081 is about 1473.9223124405.

The spelling of 3202018081 in words is "three billion, two hundred two million, eighteen thousand, eighty-one".