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20792329 is a prime number
BaseRepresentation
bin100111101010…
…0010000001001
31110010100201021
41033110100021
520310323304
62021352441
7341506015
oct117242011
943110637
1020792329
1110811648
126b68721
1343ccc6c
142a93545
151c5aa54
hex13d4409

20792329 has 2 divisors, whose sum is σ = 20792330. Its totient is φ = 20792328.

The previous prime is 20792287. The next prime is 20792341. The reversal of 20792329 is 92329702.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 17239104 + 3553225 = 4152^2 + 1885^2 .

It is a cyclic number.

It is not a de Polignac number, because 20792329 - 27 = 20792201 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 20792294 and 20792303.

It is not a weakly prime, because it can be changed into another prime (20792389) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 10396164 + 10396165.

It is an arithmetic number, because the mean of its divisors is an integer number (10396165).

Almost surely, 220792329 is an apocalyptic number.

It is an amenable number.

20792329 is a deficient number, since it is larger than the sum of its proper divisors (1).

20792329 is an equidigital number, since it uses as much as digits as its factorization.

20792329 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 13608, while the sum is 34.

The square root of 20792329 is about 4559.8606338352. The cubic root of 20792329 is about 274.9799610743.

The spelling of 20792329 in words is "twenty million, seven hundred ninety-two thousand, three hundred twenty-nine".