201689700 has 144 divisors (see below), whose sum is σ = 627709824. Its totient is φ = 49817600.

The previous prime is 201689699. The next prime is 201689743. The reversal of 201689700 is 7986102.

201689700 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 361822 + ... + 362378.

It is an arithmetic number, because the mean of its divisors is an integer number (4359096).

Almost surely, 2^201689700 is an apocalyptic number.

201689700 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 201689700, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (313854912).

201689700 is an abundant number, since it is smaller than the sum of its proper divisors (426020124).

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

201689700 is a wasteful number, since it uses less digits than its factorization.

201689700 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 662 (or 655 counting only the distinct ones).

The product of its (nonzero) digits is 6048, while the sum is 33.

The square root of 201689700 is about 14201.7498921788. The cubic root of 201689700 is about 586.4458355900.

The spelling of 201689700 in words is "two hundred one million, six hundred eighty-nine thousand, seven hundred".