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20366068 = 2217299501
BaseRepresentation
bin100110110110…
…0001011110100
31102022200222211
41031230023310
520203203233
62004303204
7335052202
oct115541364
942280884
1020366068
1110550368
1269a1b04
1342b0c38
1429c2072
151bc45cd
hex136c2f4

20366068 has 12 divisors (see below), whose sum is σ = 37737252. Its totient is φ = 9584000.

The previous prime is 20366029. The next prime is 20366069. The reversal of 20366068 is 86066302.

It can be written as a sum of positive squares in 2 ways, for example, as 8928144 + 11437924 = 2988^2 + 3382^2 .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20366069) 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, 149683 + ... + 149818.

It is an arithmetic number, because the mean of its divisors is an integer number (3144771).

Almost surely, 220366068 is an apocalyptic number.

It is an amenable number.

20366068 is a deficient number, since it is larger than the sum of its proper divisors (17371184).

20366068 is a wasteful number, since it uses less digits than its factorization.

20366068 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 299522 (or 299520 counting only the distinct ones).

The product of its (nonzero) digits is 10368, while the sum is 31.

The square root of 20366068 is about 4512.8780174075. The cubic root of 20366068 is about 273.0878614452.

The spelling of 20366068 in words is "twenty million, three hundred sixty-six thousand, sixty-eight".

Divisors: 1 2 4 17 34 68 299501 599002 1198004 5091517 10183034 20366068