201989152 has 24 divisors (see below), whose sum is σ = 418597200. Its totient is φ = 95678784.

The previous prime is 201989131. The next prime is 201989153. The reversal of 201989152 is 251989102.

It is not an unprimeable number, because it can be changed into a prime (201989153) 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, 165502 + ... + 166717.

It is an arithmetic number, because the mean of its divisors is an integer number (17441550).

Almost surely, 2^201989152 is an apocalyptic number.

It is an amenable number.

201989152 is an abundant number, since it is smaller than the sum of its proper divisors (216608048).

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

201989152 is a wasteful number, since it uses less digits than its factorization.

201989152 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 332248 (or 332240 counting only the distinct ones).

The product of its (nonzero) digits is 12960, while the sum is 37.

The square root of 201989152 is about 14212.2887671198. The cubic root of 201989152 is about 586.7359273142.

The spelling of 201989152 in words is "two hundred one million, nine hundred eighty-nine thousand, one hundred fifty-two".