3685020206 has 12 divisors (see below), whose sum is σ = 6429984408. Its totient is φ = 1579294332.

The previous prime is 3685020197. The next prime is 3685020211. The reversal of 3685020206 is 6020205863.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 18801026 + ... + 18801221.

It is an arithmetic number, because the mean of its divisors is an integer number (535832034).

Almost surely, 2^3685020206 is an apocalyptic number.

3685020206 is a deficient number, since it is larger than the sum of its proper divisors (2744964202).

3685020206 is a wasteful number, since it uses less digits than its factorization.

3685020206 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 37602263 (or 37602256 counting only the distinct ones).

The product of its (nonzero) digits is 17280, while the sum is 32.

The square root of 3685020206 is about 60704.3672728742. The cubic root of 3685020206 is about 1544.5902574549.

The spelling of 3685020206 in words is "three billion, six hundred eighty-five million, twenty thousand, two hundred six".