206120201536 has 14 divisors (see below), whose sum is σ = 409019775050. Its totient is φ = 103060100736.

The previous prime is 206120201531. The next prime is 206120201561. The reversal of 206120201536 is 635102021602.

It can be written as a sum of positive squares in only one way, i.e., 180217230400 + 25902971136 = 424520^2 + 160944^2 .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (206120201531) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1610314011 + ... + 1610314138.

Almost surely, 2^206120201536 is an apocalyptic number.

It is an amenable number.

206120201536 is a deficient number, since it is larger than the sum of its proper divisors (202899573514).

206120201536 is an equidigital number, since it uses as much as digits as its factorization.

206120201536 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3220628161 (or 3220628151 counting only the distinct ones).

The product of its (nonzero) digits is 4320, while the sum is 28.

The spelling of 206120201536 in words is "two hundred six billion, one hundred twenty million, two hundred one thousand, five hundred thirty-six".