200101993 has 32 divisors (see below), whose sum is σ = 257402880. Its totient is φ = 151303680.

The previous prime is 200101963. The next prime is 200102003. The reversal of 200101993 is 399101002.

It is a cyclic number.

It is not a de Polignac number, because 200101993 - 2²⁵ = 166547561 is a prime.

It is not an unprimeable number, because it can be changed into a prime (200101963) 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, 250671 + ... + 251467.

It is an arithmetic number, because the mean of its divisors is an integer number (8043840).

Almost surely, 2^200101993 is an apocalyptic number.

It is an amenable number.

200101993 is a deficient number, since it is larger than the sum of its proper divisors (57300887).

200101993 is a wasteful number, since it uses less digits than its factorization.

200101993 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 937.

The product of its (nonzero) digits is 486, while the sum is 25.

The square root of 200101993 is about 14145.7411612117. The cubic root of 200101993 is about 584.9029405292.

Adding to 200101993 its reverse (399101002), we get a palindrome (599202995).

The spelling of 200101993 in words is "two hundred million, one hundred one thousand, nine hundred ninety-three".