201020546 has 8 divisors (see below), whose sum is σ = 319267980. Its totient is φ = 94597888.

The previous prime is 201020543. The next prime is 201020557. The reversal of 201020546 is 645020102.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 200647225 + 373321 = 14165^2 + 611^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is not an unprimeable number, because it can be changed into a prime (201020543) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2956151 + ... + 2956218.

Almost surely, 2^201020546 is an apocalyptic number.

201020546 is a deficient number, since it is larger than the sum of its proper divisors (118247434).

201020546 is a wasteful number, since it uses less digits than its factorization.

201020546 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5912388.

The product of its (nonzero) digits is 480, while the sum is 20.

The square root of 201020546 is about 14178.1714617929. The cubic root of 201020546 is about 585.7965587327.

Adding to 201020546 its reverse (645020102), we get a palindrome (846040648).

The spelling of 201020546 in words is "two hundred one million, twenty thousand, five hundred forty-six".