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20239119 = 334631619
BaseRepresentation
bin100110100110…
…1001100001111
31102002020212000
41031031030033
520140122434
62001443343
7334013115
oct115151417
942066760
1020239119
1110473a4a
126940553
134268214
14298bab5
151b9bb99
hex134d30f

20239119 has 16 divisors (see below), whose sum is σ = 30067200. Its totient is φ = 13455288.

The previous prime is 20239099. The next prime is 20239127. The reversal of 20239119 is 91193202.

It is not a de Polignac number, because 20239119 - 216 = 20173583 is a prime.

It is a super-2 number, since 2×202391192 = 819243875792322, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a junction number, because it is equal to n+sod(n) for n = 20239092 and 20239101.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20239169) 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 15 ways as a sum of consecutive naturals, for example, 11692 + ... + 13310.

It is an arithmetic number, because the mean of its divisors is an integer number (1879200).

Almost surely, 220239119 is an apocalyptic number.

20239119 is a deficient number, since it is larger than the sum of its proper divisors (9828081).

20239119 is a wasteful number, since it uses less digits than its factorization.

20239119 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2091 (or 2085 counting only the distinct ones).

The product of its (nonzero) digits is 972, while the sum is 27.

The square root of 20239119 is about 4498.7908375474. The cubic root of 20239119 is about 272.5192602047.

The spelling of 20239119 in words is "twenty million, two hundred thirty-nine thousand, one hundred nineteen".

Divisors: 1 3 9 27 463 1389 1619 4167 4857 12501 14571 43713 749597 2248791 6746373 20239119