201020036 has 24 divisors (see below), whose sum is σ = 425690496. Its totient is φ = 81083520.

The previous prime is 201020011. The next prime is 201020041. The reversal of 201020036 is 630020102.

It is a Harshad number since it is a multiple of its sum of digits (14).

It is a self number, because there is not a number n which added to its sum of digits gives 201020036.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 210680 + ... + 211631.

It is an arithmetic number, because the mean of its divisors is an integer number (17737104).

Almost surely, 2^201020036 is an apocalyptic number.

It is an amenable number.

201020036 is an abundant number, since it is smaller than the sum of its proper divisors (224670460).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

201020036 is a wasteful number, since it uses less digits than its factorization.

201020036 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 422339 (or 422337 counting only the distinct ones).

The product of its (nonzero) digits is 72, while the sum is 14.

The square root of 201020036 is about 14178.1534763875. The cubic root of 201020036 is about 585.7960633331.

Adding to 201020036 its reverse (630020102), we get a palindrome (831040138).

The spelling of 201020036 in words is "two hundred one million, twenty thousand, thirty-six".