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200220013 = 728602859
BaseRepresentation
bin10111110111100…
…01110101101101
3111221202020020001
423323301311231
5402224020023
631511224301
74650561550
oct1373616555
9457666201
10200220013
11a3023294
1257078091
13326334a6
141c83c697
151289e6ad
hexbef1d6d

200220013 has 4 divisors (see below), whose sum is σ = 228822880. Its totient is φ = 171617148.

The previous prime is 200220001. The next prime is 200220017. The reversal of 200220013 is 310022002.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 200220013 - 29 = 200219501 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (200220017) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 14301423 + ... + 14301436.

It is an arithmetic number, because the mean of its divisors is an integer number (57205720).

Almost surely, 2200220013 is an apocalyptic number.

It is an amenable number.

200220013 is a deficient number, since it is larger than the sum of its proper divisors (28602867).

200220013 is an equidigital number, since it uses as much as digits as its factorization.

200220013 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 28602866.

The product of its (nonzero) digits is 24, while the sum is 10.

The square root of 200220013 is about 14149.9121198684. The cubic root of 200220013 is about 585.0179096959.

Adding to 200220013 its reverse (310022002), we get a palindrome (510242015).

The spelling of 200220013 in words is "two hundred million, two hundred twenty thousand, thirteen".

Divisors: 1 7 28602859 200220013