200101656 has 48 divisors (see below), whose sum is σ = 522983160. Its totient is φ = 63796480.

The previous prime is 200101631. The next prime is 200101667. The reversal of 200101656 is 656101002.

It is a happy number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 4816 + ... + 20576.

Almost surely, 2^200101656 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 200101656, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (261491580).

200101656 is an abundant number, since it is smaller than the sum of its proper divisors (322881504).

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

200101656 is a wasteful number, since it uses less digits than its factorization.

200101656 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15816 (or 15789 counting only the distinct ones).

The product of its (nonzero) digits is 360, while the sum is 21.

The square root of 200101656 is about 14145.7292494944. The cubic root of 200101656 is about 584.9026121760.

Adding to 200101656 its reverse (656101002), we get a palindrome (856202658).

The spelling of 200101656 in words is "two hundred million, one hundred one thousand, six hundred fifty-six".