201772036 has 6 divisors (see below), whose sum is σ = 353101070. Its totient is φ = 100886016.

The previous prime is 201772033. The next prime is 201772037. The reversal of 201772036 is 630277102.

It can be written as a sum of positive squares in only one way, i.e., 182412036 + 19360000 = 13506^2 + 4400^2 .

It is a junction number, because it is equal to n+sod(n) for n = 201771995 and 201772013.

It is not an unprimeable number, because it can be changed into a prime (201772033) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 25221501 + ... + 25221508.

Almost surely, 2^201772036 is an apocalyptic number.

It is an amenable number.

201772036 is a deficient number, since it is larger than the sum of its proper divisors (151329034).

201772036 is a wasteful number, since it uses less digits than its factorization.

201772036 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 50443013 (or 50443011 counting only the distinct ones).

The product of its (nonzero) digits is 3528, while the sum is 28.

The square root of 201772036 is about 14204.6483940997. The cubic root of 201772036 is about 586.5256265350.

The spelling of 201772036 in words is "two hundred one million, seven hundred seventy-two thousand, thirty-six".