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20335030 = 252033503
BaseRepresentation
bin100110110010…
…0100110110110
31102021010102021
41031210212312
520201210110
62003503354
7334562542
oct115444666
942233367
1020335030
111052a011
126987b5a
13429ca81
1429b4a22
151bba2da
hex13649b6

20335030 has 8 divisors (see below), whose sum is σ = 36603072. Its totient is φ = 8134008.

The previous prime is 20334989. The next prime is 20335031. The reversal of 20335030 is 3053302.

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

It is a junction number, because it is equal to n+sod(n) for n = 20334995 and 20335013.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20335031) by changing a digit.

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 3 ways as a sum of consecutive naturals, for example, 1016742 + ... + 1016761.

It is an arithmetic number, because the mean of its divisors is an integer number (4575384).

Almost surely, 220335030 is an apocalyptic number.

20335030 is a deficient number, since it is larger than the sum of its proper divisors (16268042).

20335030 is a wasteful number, since it uses less digits than its factorization.

20335030 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2033510.

The product of its (nonzero) digits is 270, while the sum is 16.

The square root of 20335030 is about 4509.4378807120. The cubic root of 20335030 is about 272.9490617749.

Adding to 20335030 its reverse (3053302), we get a palindrome (23388332).

The spelling of 20335030 in words is "twenty million, three hundred thirty-five thousand, thirty".

Divisors: 1 2 5 10 2033503 4067006 10167515 20335030