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20413066 = 231329243
BaseRepresentation
bin100110111011…
…1101010001010
31102102002110111
41031313222022
520211204231
62005304534
7335336212
oct115675212
942362414
1020413066
1110582703
126a0514a
1342c944b
1429d5242
151bd34b1
hex1377a8a

20413066 has 8 divisors (see below), whose sum is σ = 31607424. Its totient is φ = 9877260.

The previous prime is 20413051. The next prime is 20413069. The reversal of 20413066 is 66031402.

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

It is not an unprimeable number, because it can be changed into a prime (20413069) 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, 164560 + ... + 164683.

It is an arithmetic number, because the mean of its divisors is an integer number (3950928).

Almost surely, 220413066 is an apocalyptic number.

20413066 is a deficient number, since it is larger than the sum of its proper divisors (11194358).

20413066 is a wasteful number, since it uses less digits than its factorization.

20413066 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 329276.

The product of its (nonzero) digits is 864, while the sum is 22.

The square root of 20413066 is about 4518.0821152343. The cubic root of 20413066 is about 273.2977648872.

Adding to 20413066 its reverse (66031402), we get a palindrome (86444468).

The spelling of 20413066 in words is "twenty million, four hundred thirteen thousand, sixty-six".

Divisors: 1 2 31 62 329243 658486 10206533 20413066