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20067023 = 35955897
BaseRepresentation
bin100110010001…
…1001011001111
31101202111210002
41030203023033
520114121043
61554034515
7332365304
oct114431317
941674702
1020067023
1110366719
126878a3b
134207aa2
1429450ab
151b65bb8
hex13232cf

20067023 has 4 divisors (see below), whose sum is σ = 20123280. Its totient is φ = 20010768.

The previous prime is 20067001. The next prime is 20067029. The reversal of 20067023 is 32076002.

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

It is a cyclic number.

It is not a de Polignac number, because 20067023 - 212 = 20062927 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 20066986 and 20067004.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20067029) 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, 27590 + ... + 28307.

It is an arithmetic number, because the mean of its divisors is an integer number (5030820).

Almost surely, 220067023 is an apocalyptic number.

20067023 is a deficient number, since it is larger than the sum of its proper divisors (56257).

20067023 is an equidigital number, since it uses as much as digits as its factorization.

20067023 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 56256.

The product of its (nonzero) digits is 504, while the sum is 20.

The square root of 20067023 is about 4479.6230868233. The cubic root of 20067023 is about 271.7446376033.

The spelling of 20067023 in words is "twenty million, sixty-seven thousand, twenty-three".

Divisors: 1 359 55897 20067023