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20738027 = 101205327
BaseRepresentation
bin100111100011…
…0111111101011
31110000121020002
41033012333223
520302104102
62020253215
7341161502
oct117067753
943017202
1020738027
1110784872
126b4120b
1343b132b
142a7b839
151c49902
hex13c6feb

20738027 has 4 divisors (see below), whose sum is σ = 20943456. Its totient is φ = 20532600.

The previous prime is 20738021. The next prime is 20738033. The reversal of 20738027 is 72083702.

It is a semiprime because it is the product of two primes.

It is an interprime number because it is at equal distance from previous prime (20738021) and next prime (20738033).

It is a cyclic number.

It is not a de Polignac number, because 20738027 - 224 = 3960811 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (20738021) 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 3 ways as a sum of consecutive naturals, for example, 102563 + ... + 102764.

It is an arithmetic number, because the mean of its divisors is an integer number (5235864).

Almost surely, 220738027 is an apocalyptic number.

20738027 is a deficient number, since it is larger than the sum of its proper divisors (205429).

20738027 is a wasteful number, since it uses less digits than its factorization.

20738027 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 205428.

The product of its (nonzero) digits is 4704, while the sum is 29.

The square root of 20738027 is about 4553.9023924542. The cubic root of 20738027 is about 274.7403698338.

The spelling of 20738027 in words is "twenty million, seven hundred thirty-eight thousand, twenty-seven".

Divisors: 1 101 205327 20738027