200221513 has 4 divisors (see below), whose sum is σ = 200288788. Its totient is φ = 200154240.

The previous prime is 200221493. The next prime is 200221517. The reversal of 200221513 is 315122002.

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

It can be written as a sum of positive squares in 2 ways, for example, as 93161104 + 107060409 = 9652^2 + 10347^2 .

It is a cyclic number.

It is not a de Polignac number, because 200221513 - 2¹⁷ = 200090441 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (200221517) 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, 28956 + ... + 35197.

It is an arithmetic number, because the mean of its divisors is an integer number (50072197).

Almost surely, 2^200221513 is an apocalyptic number.

It is an amenable number.

200221513 is a deficient number, since it is larger than the sum of its proper divisors (67275).

200221513 is an equidigital number, since it uses as much as digits as its factorization.

200221513 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 67274.

The product of its (nonzero) digits is 120, while the sum is 16.

The square root of 200221513 is about 14149.9651236319. The cubic root of 200221513 is about 585.0193706299.

Adding to 200221513 its reverse (315122002), we get a palindrome (515343515).

The spelling of 200221513 in words is "two hundred million, two hundred twenty-one thousand, five hundred thirteen".