201989150 has 48 divisors (see below), whose sum is σ = 411737040. Its totient is φ = 73113600.

The previous prime is 201989131. The next prime is 201989153. The reversal of 201989150 is 51989102.

It is a self number, because there is not a number n which added to its sum of digits gives 201989150.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (201989153) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 140636 + ... + 142064.

It is an arithmetic number, because the mean of its divisors is an integer number (8577855).

Almost surely, 2^201989150 is an apocalyptic number.

201989150 is an abundant number, since it is smaller than the sum of its proper divisors (209747890).

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

201989150 is a wasteful number, since it uses less digits than its factorization.

201989150 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1709 (or 1704 counting only the distinct ones).

The product of its (nonzero) digits is 6480, while the sum is 35.

The square root of 201989150 is about 14212.2886967582. The cubic root of 201989150 is about 586.7359253777.

The spelling of 201989150 in words is "two hundred one million, nine hundred eighty-nine thousand, one hundred fifty".