200028011 has 4 divisors (see below), whose sum is σ = 200095224. Its totient is φ = 199960800.

The previous prime is 200028007. The next prime is 200028097. The reversal of 200028011 is 110820002.

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

It is a cyclic number.

It is not a de Polignac number, because 200028011 - 2² = 200028007 is a prime.

It is a super-2 number, since 2×200028011² = 80022410369232242, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (200028611) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 28925 + ... + 35166.

It is an arithmetic number, because the mean of its divisors is an integer number (50023806).

Almost surely, 2^200028011 is an apocalyptic number.

200028011 is a deficient number, since it is larger than the sum of its proper divisors (67213).

200028011 is an equidigital number, since it uses as much as digits as its factorization.

200028011 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 67212.

The product of its (nonzero) digits is 32, while the sum is 14.

The square root of 200028011 is about 14143.1259274603. The cubic root of 200028011 is about 584.8308479217.

Adding to 200028011 its reverse (110820002), we get a palindrome (310848013).

The spelling of 200028011 in words is "two hundred million, twenty-eight thousand, eleven".