3685020201 has 6 divisors (see below), whose sum is σ = 5322806970. Its totient is φ = 2456680128.

The previous prime is 3685020197. The next prime is 3685020211. The reversal of 3685020201 is 1020205863.

It can be written as a sum of positive squares in only one way, i.e., 2385345600 + 1299674601 = 48840^2 + 36051^2 .

It is not a de Polignac number, because 3685020201 - 2² = 3685020197 is a prime.

It is not an unprimeable number, because it can be changed into a prime (3685020211) 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 in 5 ways as a sum of consecutive naturals, for example, 204723336 + ... + 204723353.

It is an arithmetic number, because the mean of its divisors is an integer number (887134495).

Almost surely, 2^3685020201 is an apocalyptic number.

It is an amenable number.

3685020201 is a deficient number, since it is larger than the sum of its proper divisors (1637786769).

3685020201 is a wasteful number, since it uses less digits than its factorization.

3685020201 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 409446695 (or 409446692 counting only the distinct ones).

The product of its (nonzero) digits is 2880, while the sum is 27.

The square root of 3685020201 is about 60704.3672316910. The cubic root of 3685020201 is about 1544.5902567563.

The spelling of 3685020201 in words is "three billion, six hundred eighty-five million, twenty thousand, two hundred one".