201020334 has 16 divisors (see below), whose sum is σ = 412907088. Its totient is φ = 65195712.

The previous prime is 201020327. The next prime is 201020341. The reversal of 201020334 is 433020102.

It is an interprime number because it is at equal distance from previous prime (201020327) and next prime (201020341).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 452527 + ... + 452970.

It is an arithmetic number, because the mean of its divisors is an integer number (25806693).

Almost surely, 2^201020334 is an apocalyptic number.

201020334 is an abundant number, since it is smaller than the sum of its proper divisors (211886754).

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

201020334 is a wasteful number, since it uses less digits than its factorization.

201020334 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 905539.

The product of its (nonzero) digits is 144, while the sum is 15.

The square root of 201020334 is about 14178.1639855095. The cubic root of 201020334 is about 585.7963528020.

Adding to 201020334 its reverse (433020102), we get a palindrome (634040436).

The spelling of 201020334 in words is "two hundred one million, twenty thousand, three hundred thirty-four".