200507066 has 4 divisors (see below), whose sum is σ = 300760602. Its totient is φ = 100253532.

The previous prime is 200507063. The next prime is 200507071. The reversal of 200507066 is 660705002.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 157879225 + 42627841 = 12565^2 + 6529^2 .

It is not an unprimeable number, because it can be changed into a prime (200507063) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 50126765 + ... + 50126768.

Almost surely, 2^200507066 is an apocalyptic number.

200507066 is a deficient number, since it is larger than the sum of its proper divisors (100253536).

200507066 is a wasteful number, since it uses less digits than its factorization.

200507066 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 100253535.

The product of its (nonzero) digits is 2520, while the sum is 26.

The square root of 200507066 is about 14160.0517654421. The cubic root of 200507066 is about 585.2973538830.

The spelling of 200507066 in words is "two hundred million, five hundred seven thousand, sixty-six".