200115801 has 48 divisors (see below), whose sum is σ = 313657344. Its totient is φ = 122630112.

The previous prime is 200115781. The next prime is 200115803. The reversal of 200115801 is 108511002.

It is not a de Polignac number, because 200115801 - 2⁶ = 200115737 is a prime.

It is not an unprimeable number, because it can be changed into a prime (200115803) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 651690 + ... + 651996.

It is an arithmetic number, because the mean of its divisors is an integer number (6534528).

Almost surely, 2^200115801 is an apocalyptic number.

It is an amenable number.

200115801 is a deficient number, since it is larger than the sum of its proper divisors (113541543).

200115801 is a wasteful number, since it uses less digits than its factorization.

200115801 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 450 (or 447 counting only the distinct ones).

The product of its (nonzero) digits is 80, while the sum is 18.

The square root of 200115801 is about 14146.2292148827. The cubic root of 200115801 is about 584.9163939252.

Adding to 200115801 its reverse (108511002), we get a palindrome (308626803).

The spelling of 200115801 in words is "two hundred million, one hundred fifteen thousand, eight hundred one".