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20326030 = 255338351
BaseRepresentation
bin100110110001…
…0011010001110
31102020200001221
41031202122032
520200413110
62003353554
7334524364
oct115423216
942220057
1020326030
111052327a
1269828ba
13429894a
1429b1634
151bb77da
hex136268e

20326030 has 16 divisors (see below), whose sum is σ = 37278144. Its totient is φ = 7976800.

The previous prime is 20326021. The next prime is 20326039. The reversal of 20326030 is 3062302.

It is an interprime number because it is at equal distance from previous prime (20326021) and next prime (20326039).

It is a junction number, because it is equal to n+sod(n) for n = 20325995 and 20326013.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20326039) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 18646 + ... + 19705.

It is an arithmetic number, because the mean of its divisors is an integer number (2329884).

Almost surely, 220326030 is an apocalyptic number.

20326030 is a deficient number, since it is larger than the sum of its proper divisors (16952114).

20326030 is a wasteful number, since it uses less digits than its factorization.

20326030 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 38411.

The product of its (nonzero) digits is 216, while the sum is 16.

The square root of 20326030 is about 4508.4398631899. The cubic root of 20326030 is about 272.9087880198.

Adding to 20326030 its reverse (3062302), we get a palindrome (23388332).

The spelling of 20326030 in words is "twenty million, three hundred twenty-six thousand, thirty".

Divisors: 1 2 5 10 53 106 265 530 38351 76702 191755 383510 2032603 4065206 10163015 20326030