201620456036 has 12 divisors (see below), whose sum is σ = 353024191212. Its totient is φ = 100756401408.

The previous prime is 201620456029. The next prime is 201620456047. The reversal of 201620456036 is 630654026102.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 42025000000 + 159595456036 = 205000^2 + 399494^2 .

It is a junction number, because it is equal to n+sod(n) for n = 201620455987 and 201620456005.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 13448225 + ... + 13463208.

It is an arithmetic number, because the mean of its divisors is an integer number (29418682601).

Almost surely, 2^201620456036 is an apocalyptic number.

It is an amenable number.

201620456036 is a deficient number, since it is larger than the sum of its proper divisors (151403735176).

201620456036 is a wasteful number, since it uses less digits than its factorization.

201620456036 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 26913310 (or 26913308 counting only the distinct ones).

The product of its (nonzero) digits is 51840, while the sum is 35.

The spelling of 201620456036 in words is "two hundred one billion, six hundred twenty million, four hundred fifty-six thousand, thirty-six".