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20066422 = 210033211
BaseRepresentation
bin100110010001…
…1000001110110
31101202110221211
41030203001312
520114111142
61554032034
7332363455
oct114430166
941673854
1020066422
1110366222
12687861a
13420772c
142944b9c
151b65917
hex1323076

20066422 has 4 divisors (see below), whose sum is σ = 30099636. Its totient is φ = 10033210.

The previous prime is 20066401. The next prime is 20066429. The reversal of 20066422 is 22466002.

It is a happy number.

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

It is a super-2 number, since 2×200664222 = 805322583764168, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 20066393 and 20066402.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20066429) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5016604 + ... + 5016607.

It is an arithmetic number, because the mean of its divisors is an integer number (7524909).

Almost surely, 220066422 is an apocalyptic number.

20066422 is a deficient number, since it is larger than the sum of its proper divisors (10033214).

20066422 is a wasteful number, since it uses less digits than its factorization.

20066422 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10033213.

The product of its (nonzero) digits is 1152, while the sum is 22.

The square root of 20066422 is about 4479.5560047844. The cubic root of 20066422 is about 271.7419246921.

The spelling of 20066422 in words is "twenty million, sixty-six thousand, four hundred twenty-two".

Divisors: 1 2 10033211 20066422