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20202235 = 531130337
BaseRepresentation
bin100110100010…
…0001011111011
31102000101020221
41031010023323
520132432420
62001000511
7333500434
oct115041373
942011227
1020202235
1110449269
126923137
1342544b1
14297c48b
151b90caa
hex13442fb

20202235 has 8 divisors (see below), whose sum is σ = 25024896. Its totient is φ = 15640320.

The previous prime is 20202229. The next prime is 20202251. The reversal of 20202235 is 53220202.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 20202235 - 23 = 20202227 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 65014 + ... + 65323.

It is an arithmetic number, because the mean of its divisors is an integer number (3128112).

Almost surely, 220202235 is an apocalyptic number.

20202235 is a deficient number, since it is larger than the sum of its proper divisors (4822661).

20202235 is a wasteful number, since it uses less digits than its factorization.

20202235 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 130373.

The product of its (nonzero) digits is 240, while the sum is 16.

The square root of 20202235 is about 4494.6896444582. The cubic root of 20202235 is about 272.3536121408.

Adding to 20202235 its reverse (53220202), we get a palindrome (73422437).

The spelling of 20202235 in words is "twenty million, two hundred two thousand, two hundred thirty-five".

Divisors: 1 5 31 155 130337 651685 4040447 20202235