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2002330221 = 33730016011
BaseRepresentation
bin111011101011001…
…0010001001101101
312011112201220200120
41313112102021231
513100044031341
6530404515153
7100422345303
oct16726221155
95145656616
102002330221
11938299371
1247a6abab9
1325bab1ba8
1414dd04273
15babc3066
hex7759226d

2002330221 has 16 divisors (see below), whose sum is σ = 2743299648. Its totient is φ = 1298160000.

The previous prime is 2002330139. The next prime is 2002330223. The reversal of 2002330221 is 1220332002.

It is not a de Polignac number, because 2002330221 - 29 = 2002329709 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 2002330221.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2002330223) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 330106 + ... + 336116.

It is an arithmetic number, because the mean of its divisors is an integer number (171456228).

Almost surely, 22002330221 is an apocalyptic number.

It is an amenable number.

2002330221 is a deficient number, since it is larger than the sum of its proper divisors (740969427).

2002330221 is a wasteful number, since it uses less digits than its factorization.

2002330221 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9052.

The product of its (nonzero) digits is 144, while the sum is 15.

The square root of 2002330221 is about 44747.4046286486. The cubic root of 2002330221 is about 1260.4101757303.

Adding to 2002330221 its reverse (1220332002), we get a palindrome (3222662223).

The spelling of 2002330221 in words is "two billion, two million, three hundred thirty thousand, two hundred twenty-one".

Divisors: 1 3 37 111 3001 6011 9003 18033 111037 222407 333111 667221 18039011 54117033 667443407 2002330221