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20023026 = 233337171
BaseRepresentation
bin100110001100…
…0011011110010
31101200021102120
41030120123302
520111214101
61553055110
7332123112
oct114303362
941607376
1020023026
1110336661
126857496
1341c0a5a
142933042
151b57b36
hex13186f2

20023026 has 8 divisors (see below), whose sum is σ = 40046064. Its totient is φ = 6674340.

The previous prime is 20023009. The next prime is 20023027. The reversal of 20023026 is 62032002.

It is a sphenic number, since it is the product of 3 distinct primes.

20023026 is an admirable number.

It is a junction number, because it is equal to n+sod(n) for n = 20022996 and 20023014.

It is not an unprimeable number, because it can be changed into a prime (20023027) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1668580 + ... + 1668591.

It is an arithmetic number, because the mean of its divisors is an integer number (5005758).

Almost surely, 220023026 is an apocalyptic number.

20023026 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

20023026 is a wasteful number, since it uses less digits than its factorization.

20023026 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3337176.

The product of its (nonzero) digits is 144, while the sum is 15.

The square root of 20023026 is about 4474.7095995159. The cubic root of 20023026 is about 271.5458920080.

Adding to 20023026 its reverse (62032002), we get a palindrome (82055028).

The spelling of 20023026 in words is "twenty million, twenty-three thousand, twenty-six".

Divisors: 1 2 3 6 3337171 6674342 10011513 20023026