200264305081 has 3 divisors (see below), whose sum is σ = 200264752591. Its totient is φ = 200263857572.

The previous prime is 200264305061. The next prime is 200264305151. The reversal of 200264305081 is 180503462002.

The square root of 200264305081 is 447509.

It is a perfect power (a square), and thus also a powerful number.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length.

It can be written as a sum of positive squares in only one way, i.e., 151873104681 + 48391200400 = 389709^2 + 219980^2 .

It is not a de Polignac number, because 200264305081 - 2¹¹ = 200264303033 is a prime.

It is a super-2 number, since 2×200264305081² (a number of 23 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (200264305061) by changing a digit.

It is a polite number, since it can be written in 2 ways as a sum of consecutive naturals, for example, 223755 + ... + 671263.

Almost surely, 2^200264305081 is an apocalyptic number.

200264305081 is the 447509-th square number.

200264305081 is the 223755-th centered octagonal number.

It is an amenable number.

200264305081 is a deficient number, since it is larger than the sum of its proper divisors (447510).

200264305081 is an frugal number, since it uses more digits than its factorization.

200264305081 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 895018 (or 447509 counting only the distinct ones).

The product of its (nonzero) digits is 11520, while the sum is 31.

Adding to 200264305081 its reverse (180503462002), we get a palindrome (380767767083).

The spelling of 200264305081 in words is "two hundred billion, two hundred sixty-four million, three hundred five thousand, eighty-one".