200947851 has 32 divisors (see below), whose sum is σ = 329286720. Its totient is φ = 120310272.

The previous prime is 200947823. The next prime is 200947907. The reversal of 200947851 is 158749002.

It is not a de Polignac number, because 200947851 - 2⁷ = 200947723 is a prime.

It is not an unprimeable number, because it can be changed into a prime (200947801) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 5251 + ... + 20723.

It is an arithmetic number, because the mean of its divisors is an integer number (10290210).

Almost surely, 2^200947851 is an apocalyptic number.

200947851 is a deficient number, since it is larger than the sum of its proper divisors (128338869).

200947851 is a wasteful number, since it uses less digits than its factorization.

200947851 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15532 (or 15526 counting only the distinct ones).

The product of its (nonzero) digits is 20160, while the sum is 36.

The square root of 200947851 is about 14175.6076060252. The cubic root of 200947851 is about 585.7259364074.

The spelling of 200947851 in words is "two hundred million, nine hundred forty-seven thousand, eight hundred fifty-one".