201989230 has 16 divisors (see below), whose sum is σ = 364733280. Its totient is φ = 80539552.

The previous prime is 201989191. The next prime is 201989251. The reversal of 201989230 is 32989102.

It is a congruent number.

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, 28690 + ... + 35029.

It is an arithmetic number, because the mean of its divisors is an integer number (22795830).

Almost surely, 2^201989230 is an apocalyptic number.

201989230 is a deficient number, since it is larger than the sum of its proper divisors (162744050).

201989230 is a wasteful number, since it uses less digits than its factorization.

201989230 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 64043.

The product of its (nonzero) digits is 7776, while the sum is 34.

The square root of 201989230 is about 14212.2915112237. The cubic root of 201989230 is about 586.7360028387.

The spelling of 201989230 in words is "two hundred one million, nine hundred eighty-nine thousand, two hundred thirty".